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 A173303 #6 Aug 10 2018 02:23:29
%S A173303 1,2,3,6,9,14,21,32,45,65,90,125,170,231,307,411,539,707,917,1188,
%T A173303 1522,1950,2475,3137,3949,4962,6195,7725,9579,11856,14610,17971,22012,
%U A173303 26919,32798,39892,48367,58541,70647,85123,102291,122724,146891,175545,209322
%N A173303 Row sums of triangle A173302.
%C A173303 Each term is a sum of partition numbers.
%H A173303 Andrew Howroyd, <a href="/A173303/b173303.txt">Table of n, a(n) for n = 0..1000</a>
%F A173303 a(n) = Sum_{k >=0, 2^k <= n + 1} A000041(n + 1 - 2^k). - _Andrew Howroyd_, Aug 10 2018
%e A173303 a(7) = 32 = (1 + 5 + 11 + 15), = p(0) + p(4) + p(6) + p(7).
%o A173303 (PARI) a(n) = sum(k=0, logint(n+1, 2), numbpart(n + 1 - 2^k)) \\ _Andrew Howroyd_, Aug 10 2018
%Y A173303 Row sums of A173302.
%Y A173303 Cf. A000041, A173304.
%K A173303 nonn
%O A173303 0,2
%A A173303 _Gary W. Adamson_, Feb 15 2010
%E A173303 Terms a(21) and beyond from _Andrew Howroyd_, Aug 10 2018