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 A102431 #6 Oct 12 2019 21:18:59
%S A102431 2,4,8,10,15,17,24,28,35,37,49,51,60,65,80,82,99,101,121,127,144,146,
%T A102431 176,180,203,211,243,245,283,285,328,336,375,380,443,445,494,504,574,
%U A102431 576,650,652,733,748,825,827,942,946,1047,1059,1181,1183,1316,1322,1473
%N A102431 Row sums of A102430.
%H A102431 Alois P. Heinz, <a href="/A102431/b102431.txt">Table of n, a(n) for n = 2..1000</a>
%F A102431 a(n) = Sum_{k=2..n} A102430(n,k).
%e A102431 a(3)=4 partitions of 3 into powers of 2 or 3: 3.2^0, 1.2^0+1.2^1, 3.3^0, 1.3^1
%Y A102431 Cf. A102430, A102432, A102433, A102434.
%K A102431 easy,nonn
%O A102431 2,1
%A A102431 _Marc LeBrun_, Jan 08 2005