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 A134349 #13 Mar 26 2022 10:15:01 %S A134349 1,2,5,2,8,13,2,12,24,49,2,26,24,29,2,16,48,64,61,2,20,80,160,160,125, %T A134349 2,24,120,320,480,384,253,2,28,168,560,1120,1344,896,509,2,32,224,896, %U A134349 2240,3584,3584,2048,1021 %N A134349 A007318^(-1) * (A007318*A124929 + A124929*A007318 - A007318). %C A134349 Row sums = A134350. %C A134349 Right border = A036563 starting with "1": (1, 5, 13, 29, 61, 160, ...). %F A134349 Inverse binomial transform of (A007318*A124929 + A124929*A007318 - A007318). %e A134349 First few rows of the triangle: %e A134349 1; %e A134349 2, 5; %e A134349 2, 8, 13; %e A134349 2, 12, 24, 29; %e A134349 2, 16, 48, 64, 61; %e A134349 2, 20, 80, 160, 160, 125; %e A134349 ... %Y A134349 Cf. A124929, A134350, A036563. %K A134349 nonn,tabl %O A134349 0,2 %A A134349 _Gary W. Adamson_, Oct 21 2007