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  • {{Short description|Centered figurate number representing a dodecahedron}} ..., a '''centered dodecahedral number''' is a [[Centered number|centered]] [[figurate number]] that represents a [[dodecahedron]]. The centered dodecahedral numb ...
    1 KB (112 words) - 01:17, 13 December 2024
  • {{Short description|Figurate number representing an icosahedron}} In [[mathematics]], an '''icosahedral number''' is a [[figurate number]] that represents an [[icosahedron]]. The ''n''th icosahedral number ...
    2 KB (218 words) - 01:12, 13 December 2024
  • {{Short description|Three-dimensional figurate centered icosahedral numbers}} ...oints arranged in the shape of a [[regular icosahedron]]. As cuboctahedral numbers, they represent points arranged in the shape of a [[cuboctahedron]], and ar ...
    1 KB (171 words) - 23:20, 12 December 2024
  • {{Short description|Centered figurate number representing a tetrahedron}} ...for a single dot, is:{{r|oeis}}<ref>Deza numbers the centered tetrahedral numbers at <math>n=1</math> for a single dot, leading to a different formula.</ref> ...
    2 KB (207 words) - 01:38, 13 December 2024
  • {{Short description|Figurate number representing a dodecahedron}} In [[mathematics]], a '''dodecahedral number''' is a [[figurate number]] that represents a [[dodecahedron]]. The ''n''th dodecahedral numbe ...
    2 KB (325 words) - 02:02, 13 December 2024
  • {{Short description|Centered figurate number representing an octahedron}} ...rtain two-dimensional lattice paths.<ref name="s03" /> The Haüy octahedral numbers are named after [[René Just Haüy]]. ...
    6 KB (868 words) - 02:05, 13 December 2024
  • {{Short description|Figurate number based on the stella octangula}} ...numbers: n*(2*n^2 - 1)|mode=cs2}}.</ref><ref>{{citation|title=The Book of Numbers|page=51|url=https://books.google.com/books?id=0--3rcO7dMYC&pg=PA51|first1=J ...
    5 KB (610 words) - 21:32, 17 January 2024
  • ...thematics of [[figurate number]]s, the '''cannonball problem''' asks which numbers are both [[Square number|square]] and [[square pyramidal number|square pyra ...ite OEIS|sequencenumber=A000292|name=Tetrahedral (or triangular pyramidal) numbers: a(n) = C(n+2,3) = n*(n+1)*(n+2)/6}}</ref> ...
    5 KB (657 words) - 19:06, 20 October 2024
  • ...o possible to derive [[Euler's formula]] <math>V-E+F=2</math> relating the numbers of vertices, edges, and faces of a convex polyhedron from Descartes' theore ...s from polyhedra, generalizing the classical Greek definitions of figurate numbers such as the [[square number]]s and [[triangular number]]s from two-dimensio ...
    7 KB (1,029 words) - 17:36, 12 August 2023
  • ...uthor1-link=Elena Deza | last2 = Deza | first2 = Michel | title = Figurate Numbers | publisher = World Scientific Publishing | year = 2012 | location = Singap {{Classes of natural numbers}} ...
    5 KB (624 words) - 04:37, 28 January 2025
  • They include the significant [[decimal]] numbers 10<sup>6</sup> (a [[million]]), 100<sup>6</sup> (a [[Trillion (short scale) The sixth powers of integers can be characterized as the numbers that are simultaneously squares and cubes.<ref>{{citation|magazine=Mechanic ...
    7 KB (905 words) - 11:23, 2 February 2025
  • ...=PA136 | volume = 9 | year = 2001}}</ref> one of the first four Carmichael numbers identified by [[Robert Daniel Carmichael|R. D. Carmichael]] in his 1910 pap ...01101 are both [[Palindromic number|palindromes]],<ref>{{cite OEIS|A097856|Numbers that are palindromic in bases 2 and 4}}</ref> and (because the binary repre ...
    5 KB (663 words) - 14:09, 1 January 2025
  • {{Classes of natural numbers}} [[Category:Figurate numbers]] ...
    5 KB (618 words) - 04:40, 28 January 2025
  • {{Classes of natural numbers}} [[Category:Figurate numbers]] ...
    5 KB (583 words) - 04:43, 28 January 2025
  • The first numbers that cannot be expressed as the sum of three squares (i.e. numbers that can be expressed as <math>n = 4^a(8b + 7)</math>) are ...p.&nbsp;314 [https://books.google.com/books?id=cDxYdstLPz4C&dq=%22figurate+numbers%22+incomplete+legendre+gauss++-wikipedia&pg=PA314]</ref> ...
    6 KB (894 words) - 14:19, 19 November 2024
  • ...natural number greater than 1 that is not a product of two smaller natural numbers. | The partition numbers, number of additive breakdowns of n. ...
    27 KB (3,099 words) - 13:20, 26 December 2024
  • '''''From Zero to Infinity: What Makes Numbers Interesting''''' is a book in [[popular mathematics]] and [[number theory]] ...s book soon afterward.{{r|singmaster}} Her intended title was ''What Makes Numbers Interesting''; the title ''From Zero to Infinity'' was a change made by the ...
    10 KB (1,450 words) - 23:47, 16 November 2024
  • * '''Rule 4.''' Given <math>n</math> arbitrary numbers <math>k_1, k_2, \dots, k_n</math>,<ref name=k497/> ...ions, [[integer partitions]], binomial coefficients, generalized Fibonacci numbers.<ref name=mii25/> ...
    8 KB (1,168 words) - 08:14, 7 November 2024
  • ...sum]] of [[8 (number)|8]], within an [[aliquot sequence]] of two composite numbers (14, [[8 (number)|8]], [[7 (number)|7]], [[1 (number)|1]], 0) in the prime ...f>{{Cite web|url=https://oeis.org/A000108|title=Sloane's A000108 : Catalan numbers|website=The On-Line Encyclopedia of Integer Sequences|publisher=OEIS Founda ...
    18 KB (2,403 words) - 04:15, 5 February 2025
  • ...values of <math>g_n(m) </math> (these values are also called the "figurate numbers for the n-dimensional cross polytopes" in the OEIS<ref>{{citation | title=s ...
    19 KB (2,903 words) - 12:23, 20 September 2024