This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A161259 #6 Jul 22 2025 06:35:41 %S A161259 0,0,0,0,0,1,1,1,1,1,1,2,1,2,1,2,1,3,2,4,3,5,4,7,5,7,6,9,7,10,9,12,10, %T A161259 13,12,16,13,17,15,20,16,23,19,26,21,29,25,35,30,39,34,45,38,51,45,60, %U A161259 50,65,57,74,65,83,76,93,83,104,94,115,105,129,117,142,131,156,145,172,163,189,176 %N A161259 Number of partitions of n into central polygonal numbers A000124 where every part appears at least 6 times. %H A161259 R. H. Hardin, <a href="/A161259/b161259.txt">Table of n, a(n) for n=1..1000</a> %K A161259 nonn %O A161259 1,12 %A A161259 _R. H. Hardin_ Jun 06 2009