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 A332007 #5 Feb 16 2025 08:33:59 %S A332007 1,1,0,0,0,1,2,0,0,0,0,0,1,2,0,0,0,2,6,0,0,0,1,2,0,0,0,2,6,0,0,0,0,0, %T A332007 2,7,2,0,0,6,26,6,0,0,0,0,0,2,6,0,0,1,8,24,0,0,2,8,6,0,0,0,6,26,6,0,0, %U A332007 0,6,30,25,2,0,2,30,122,6,0,6,24 %N A332007 Number of compositions (ordered partitions) of n into distinct pentagonal numbers. %H A332007 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PentagonalNumber.html">Pentagonal Number</a> %H A332007 <a href="/index/Com#comp">Index entries for sequences related to compositions</a> %e A332007 a(18) = 6 because we have [12, 5, 1], [12, 1, 5], [5, 12, 1], [5, 1, 12], [1, 12, 5] and [1, 5, 12]. %Y A332007 Cf. A000326, A181324, A218379, A218380, A331843, A331844. %K A332007 nonn %O A332007 0,7 %A A332007 _Ilya Gutkovskiy_, Feb 04 2020