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 A060137 #15 Mar 30 2012 18:51:33 %S A060137 0,1,0,2,1,0,5,1,1,0,26,1,0,1,0,677,1,1,-1,1,0,458330,1,0,5,-2,1,0, %T A060137 210066388901,1,1,11,13,-3,1,0,44127887745906175987802,1,0,89,118,25, %U A060137 -4,1,0,1947270476915296449559703445493848930452791205,1,1,7655,13453,501,41,-5,1,0 %N A060137 Square array read by antidiagonals with T(n,k)=T(n,k-1)^2-n*T(n,k-1)+1 and T(n,0)=0. %H A060137 <a href="/index/Aa#AHSL">Index entries for sequences of form a(n+1)=a(n)^2 + ...</a> %F A060137 T(0,k)=A004019(k-1)+1=A056207(k-2)+2. - _R. J. Mathar_, Apr 24 2007 %Y A060137 Rows include A003095, A057427, A000035. Columns include A000004, A000012, A022958, A001844 (offset). Cf. A060136. %K A060137 sign,tabl %O A060137 0,4 %A A060137 _Henry Bottomley_, Mar 05 2001