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 A103726 #3 Oct 12 2012 14:40:23 %S A103726 1,56,1991,58487,1565564,40062022,1006654220,25242191260,638127588813, %T A103726 16372326795396,428202703254105,11449834876051845,313619644361895091, %U A103726 8810631982483310804,254066166348007922392,7523321707493361487300 %N A103726 Column m=9 sequence of triangle A103718(n,m), n>=0, without leading zeros. %F A103726 a(n)= |S1(n+10, 10)| + |S1(n+10, 11)|= |S1(n+11, 11)|-(n+9)*|S1(n+10, 11)|, with S1(n, m):= A048994(n, m), n>=>m=0 (Stirling1 triangle). %K A103726 nonn,easy %O A103726 0,2 %A A103726 _Wolfdieter Lang_, Feb 24 2005