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 A082611 #5 Oct 09 2013 14:16:25 %S A082611 1,2,3,6,30,1202,3207410,7925688042914,251265071655132399283480418, %T A082611 79278147718866210084428917149363438284974325840642 %N A082611 a(n) = Sum_{i=1..k} T(i,k)/(i*(k-i+1)), (k>=1, 1<=n<=k), where T(,) is given in A080046. %C A082611 Row sums of residual multiplicative Pascal triangle. %Y A082611 Cf. A080046. %K A082611 nonn %O A082611 1,2 %A A082611 _André F. Labossière_, Sep 23 2004