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 A272928 #9 May 12 2016 02:51:40
%S A272928 0,1,6,15,36,61,98,147,232,321,422,535,684,845,1042,1275,1616,1961,
%T A272928 2318,2687,3092,3509,3962,4451,5048,5657,6302,6983,7772,8597,9530,
%U A272928 10571,11936,13305,14686,16079,17508,18949,20426,21939,23560,25193,26862,28567,30380
%N A272928 Partial sums of A147562.
%t A272928 {0}~Join~Accumulate@ Map[Plus @@ Flatten@ # &, CellularAutomaton[{686, {2, {{0, 2, 0}, {2, 1, 2}, {0, 2, 0}}}, {1, 1}}, {{{1}}, 0}, 43]] (* A272928: _Michael De Vlieger_, May 11 2016, after _Nadia Heninger_ and _N. J. A. Sloane_ at A147562 *)
%Y A272928 Cf. A147562.
%K A272928 nonn,easy
%O A272928 0,3
%A A272928 _Robert Price_, May 10 2016