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 A085454 #14 May 09 2023 15:36:39 %S A085454 0,1,2,2,2,4,3,3,6,6,4,5,8,10,8,5,8,11,16,14,10,6,12,16,24,24,18,12,7, %T A085454 17,24,35,40,32,22,14,8,23,36,51,64,56,40,26,16,9,30,53,75,99,96,72, %U A085454 48,30,18,10,38,76,111,150,160,128,88,56,34,20,11,47,106,164,225,259,224,160,104,64,38,22 %N A085454 Array defined by T(i,1)=i, T(1,j)=2j, T(i,j)=T(i-1,j)+T(i-1,j-1) read by antidiagonals. %C A085454 It seems to me that the recurrence should read: T(i,0)=i, T(0,j)=2j, T(i,j)=T(i-1,j)+T(i-1,j-1) rather than T(i,1)=i, T(1,j)=2j, T(i,j)=T(i-1,j)+T(i-1,j-1). Same for the related sequences, otherwise, is T(1,1) = 1 or 2? - Michael Forbes (mforbes(AT)alum.mit.edu), Sep 16 2005 %Y A085454 Cf. A036289 (main diagonal) %K A085454 nonn,tabl %O A085454 1,3 %A A085454 _Benoit Cloitre_, Aug 12 2003