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 A132924 #8 Feb 08 2022 19:35:59 %S A132924 1,2,2,3,3,4,4,4,5,8,5,5,6,9,16,6,6,7,10,17,32,7,7,8,11,18,33,64,8,8, %T A132924 9,12,19,34,65,128,9,9,10,13,20,35,66,129,256,10,10,11,14,21,36,67, %U A132924 130,257,512,11,11,12,15,22,37,68,131,258,513,1024,12,12,13,16,23,38,69,132 %N A132924 Triangle read by columns, 2^(n-1) followed by (2^(n-1) + 1), (2^(n-1) + 2), (2^(n-1) + 3), ... %C A132924 Row sums = A132925. Right border = 2^0, 2^1, 2^2, ... %e A132924 First few rows of the triangle: %e A132924 1; %e A132924 2, 2; %e A132924 3, 3, 4; %e A132924 4, 4, 5, 8; %e A132924 5, 5, 6, 9, 16; %e A132924 6, 6, 7, 10, 17, 32; %e A132924 7, 7, 8, 11, 18, 33, 64; %e A132924 ... %p A132924 A132924 := proc(n,m) n+2^m-m ; end: seq(seq(A132924(n,m),m=0..n),n=0..13) ; # _R. J. Mathar_, Oct 23 2009 %Y A132924 Cf. A132925. %K A132924 nonn,tabl %O A132924 1,2 %A A132924 _Gary W. Adamson_, Sep 05 2007 %E A132924 More terms from _R. J. Mathar_, Oct 23 2009