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 A130183 #2 Mar 31 2012 13:20:13 %S A130183 1,-1,-1,-7,-95,-2105,-68945,-3126895,-187481215,-14354383825, %T A130183 -1366150472225,-158177224078775,-21890843392951775, %U A130183 -3568350888585380425,-676628627780999760625,-147662618352313843681375,-36745377178714846268837375,-10342398978039119692295758625 %N A130183 Row sums of triangle A130182. %C A130183 See the Bruschi et al. reference given in A130182. %F A130183 a(n)=sum(A130182(n,m),m=0..n),n>=0. %Y A130183 Cf. A130184 (unsigned row sums). %K A130183 sign,easy %O A130183 0,4 %A A130183 _Wolfdieter Lang_ Jun 01 2007