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 A127055 #3 Mar 30 2012 18:37:02 %S A127055 1,2,4,9,25,89,403,2246,14887,114239,994909,9687123,104223700, %T A127055 1227484193,15703071262,216798771109,3212441188268,50845473960657, %U A127055 856063393693256,15276025334127835,287977916632275512 %N A127055 Antidiagonal sums of table A127054. %Y A127055 Cf. A127054, A127056. %K A127055 nonn %O A127055 0,2 %A A127055 _Paul D. Hanna_, Jan 04 2007