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 A138846 #11 Jul 29 2023 01:57:16 %S A138846 1,2,1,4,2,1,8,4,2,1,5,8,4,2,1,3,5,8,4,2,1,6,3,5,8,4,2,1,12,6,3,5,8,4, %T A138846 2,1,24,12,6,3,5,8,4,2,1,17,26,13,20,10,5,8,4,2,1,11,17,26,13,20,10,5, %U A138846 8,4,2,1 %N A138846 Erroneous version of A138895. %C A138846 Former definition was: Triangle read by rows: T(n,k) = A092892(n-k) if k <= n, 0 otherwise. %e A138846 Triangle begins %e A138846 1; %e A138846 2, 1; %e A138846 4, 2, 1; %e A138846 8, 4, 2, 1; %e A138846 5, 8, 4, 2, 1; %e A138846 3, 5, 8, 4, 2, 1; %e A138846 6, 3, 5, 8, 4, 2, 1; %e A138846 12, 6, 3, 5, 8, 4, 2, 1; %e A138846 24, 12, 6, 3, 5, 8, 4, 2, 1; %e A138846 17, 26, 13, 20, 10, 5, 8, 4, 2, 1; %e A138846 11, 17, 26, 13, 20, 10, 5, 8, 4, 2, 1; %K A138846 dead %O A138846 0,2 %A A138846 _Paul Barry_, Mar 31 2008, Apr 02 2008