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 A126349 #3 Mar 30 2012 18:37:02
%S A126349 1,1,1,2,4,10,29,101,392,1721,8180,42234,232893,1376660,8608564,
%T A126349 56880860,395780193,2887365769,22022011448,175148070545,1451626482840,
%U A126349 12489021006783,111407399288300,1028527130941484,9818171726308337
%N A126349 Largest term in rows of triangle A126347, in which row sums equal Bell numbers (A000110).
%C A126349 In triangle A126347, row n lists coefficients of q in B(n,q) that satisfies: B(n,q) = Sum_{k=0..n-1} C(n-1,k)*B(k,q)*q^k for n>0, with B(0,q) = 1.
%o A126349 (PARI)
%Y A126349 Cf. A126347, A126348.
%K A126349 nonn
%O A126349 0,4
%A A126349 _Paul D. Hanna_, Dec 31 2006