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 A038732 #8 Mar 30 2012 18:56:32 %S A038732 1,8,38,141,455,1350,3805,10395,27875,73945,194961,512303,1343768, %T A038732 3521381,9223435,24152800,63239810,165572615,433485350,1134892290, %U A038732 2971202146,7778726798,20364993198,53316270346,139583838315 %N A038732 T(n,n-3), array T as in A038730. %C A038732 First differences are essentially in A038739. - _R. J. Mathar_, May 23 2008 %F A038732 G.f.: x^3/[(1-3x+x^2)(1-x)^5]. %K A038732 nonn %O A038732 3,2 %A A038732 _Clark Kimberling_, May 02 2000