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 A090296 #5 Feb 22 2013 14:38:55
%S A090296 14,126,386,874,1686,2934,4746,7266,10654,15086,20754,27866,36646,
%T A090296 47334,60186,75474,93486,114526,138914,166986,199094,235606,276906,
%U A090296 323394,375486,433614,498226,569786,648774,735686,831034,935346,1049166
%N A090296 a(n) = K_4(n) = Sum_{k>=0} A090285(4,k)*2^k*binomial(n,k). a(n) = 2*(n^4+14*n^3+62*n^2+91*n+21)/3.
%C A090296 Values of polynomial K_4 related to A090285.
%Y A090296 Cf. A090285.
%K A090296 easy,nonn
%O A090296 0,1
%A A090296 _Philippe Deléham_, Jan 25 2004