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 A167551 #8 Jul 22 2025 07:29:06 %S A167551 1,2,7,26,115,596,3623,25462,203939,1836032,18361831,201984098, %T A167551 2423820227,31509694204,441135811847,6617037458606,105872600222083, %U A167551 1799834206605272,32397015728269319,615543298868687962 %N A167551 The row sums of the ED1 array A167546 read by antidiagonals. %C A167551 The first six terms coincide with the known first six terms of A006373. %Y A167551 Cf. A006373. %Y A167551 A167546 is the ED1 array. %K A167551 easy,nonn %O A167551 1,2 %A A167551 _Johannes W. Meijer_, Nov 10 2009