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 A108802 #16 Oct 27 2023 19:32:12 %S A108802 1,2,1,2,4,4,5,6,5,4,5,4,5,6,5,4,6,10,10,10,10,10,6,10,11,8,7,8,7,10, %T A108802 12,6,9,10,9,10,17,14,14,14,15,16,16,14,16,14,13,14,15,20,16,16,20,22, %U A108802 18,24,24,22,17,18,18,24,16,14,19,20,21,24,26,20,21,20,29,28,27,22,29,28,21,20 %N A108802 Self-convolution of A040051 (parity of partition function). %H A108802 Alois P. Heinz, <a href="/A108802/b108802.txt">Table of n, a(n) for n = 0..10000</a> (first 1001 terms from T. D. Noe) %t A108802 Function[w, ListConvolve[#, #] & /@ Map[Take[w, #] &, Range@ Length@ w]]@ Table[Mod[PartitionsP@ n, 2], {n, 0, 79}] // Flatten (* _Michael De Vlieger_, Jul 16 2016, after _Robert G. Wilson v_ at A000041 *) %Y A108802 Cf. A000041, A040051, A108803. %K A108802 nonn,look %O A108802 0,2 %A A108802 _N. J. A. Sloane_, Jul 09 2005