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 A126154 #3 Mar 30 2012 18:37:02
%S A126154 1,10,420,38760,6274320,1574566560,566087814720,276000683679360,
%T A126154 175277074975269120,140576092830146972160,138951226585459200107520,
%U A126154 165951785120565606919464960,235593066998837613695124049920
%N A126154 a(n) = Sum_{k=0..n} C(2n,k)*A126150(n,k).
%e A126154 a(1) = 1*(1) + 2*(4) + 1*(1) = 10;
%e A126154 a(2) = 1*(6) + 4*(24) + 6*(36) + 4*(24) + 1*(6) = 120;
%e A126154 a(3) = 1*(96) + 6*(384) + 15*(636) + 20*(744) + 15*(636) + 6*(384) + 1*(96) = 38760.
%Y A126154 Cf. A126150.
%K A126154 nonn
%O A126154 0,2
%A A126154 _Paul D. Hanna_, Dec 20 2006