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 A353918 #12 May 18 2022 16:24:32 %S A353918 1,0,0,1,0,0,1,0,0,2,0,1,1,0,1,1,0,1,1,1,2,0,1,1,1,1,1,1,2,1,2,1,0,3, %T A353918 1,1,2,1,1,3,0,1,2,2,2,1,2,1,1,2,1,0,4,1,2,2,0,2,2,0,2,2,1,4,0,1,2,1, %U A353918 1,3,1,2,3,2,1,1,3,2,3,2,3,2,3,2,2,2,4 %N A353918 a(n) is the number of ways to write n as a sum of distinct terms of A353889. %C A353918 a(0) = 1 accounts for the empty sum. %H A353918 Rémy Sigrist, <a href="/A353918/b353918.txt">Table of n, a(n) for n = 0..10000</a> %H A353918 Rémy Sigrist, <a href="/A353918/a353918.png">Scatterplot of the first 2^18 terms</a> %H A353918 Rémy Sigrist, <a href="/A353918/a353918.txt">C# program</a> %H A353918 Rémy Sigrist, <a href="/A353918/a353918_1.txt">C++ program</a> %e A353918 The first terms, alongside the corresponding subsets of A353889, are: %e A353918 n a(n) Corresponding subsets %e A353918 -- ---- --------------------- %e A353918 0 1 {} %e A353918 1 0 none %e A353918 2 0 none %e A353918 3 1 {3} %e A353918 4 0 none %e A353918 5 0 none %e A353918 6 1 {6} %e A353918 7 0 none %e A353918 8 0 none %e A353918 9 2 {3, 6}, {9} %e A353918 10 0 none %e A353918 11 1 {11} %e A353918 12 1 {3, 9} %o A353918 (C#) See Links section. %o A353918 (C++) See Links section. %Y A353918 Cf. A353889, A353919 (positions of 0's). %K A353918 nonn %O A353918 0,10 %A A353918 _Rémy Sigrist_, May 11 2022