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 A049350 #6 Mar 31 2012 13:19:59 %S A049350 1,11,71,356,1866,10476,57186,308621,1682031,9170291,49879401, %T A049350 271409736,1477549796,8042157456,43769353716,238229560201, %U A049350 1296650911661,7057377605971,38411803629131,209067989511516 %N A049350 Row sums of triangle A049326. %C A049350 p(4,x) is row polynomial corresponding to triangle row A033842(4,m). %H A049350 W. Lang, <a href="http://www.cs.uwaterloo.ca/journals/JIS/index.html">On generalizations of Stirling number triangles</a>, J. Integer Seqs., Vol. 3 (2000), #00.2.4. %F A049350 G.f. x*p(4, x)/(1-x*p(4, x)) with x*p(4, x)= x*(1+10*x+50*x^2+125*x^3+125*x^4) G.f. for first column of A049326. %K A049350 easy,nonn %O A049350 1,2 %A A049350 _Wolfdieter Lang_