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 A132775 #4 Mar 06 2022 00:19:56 %S A132775 1,3,3,5,10,5,7,21,21,7,9,36,54,36,9,11,55,110,110,55,11,13,78,195, %T A132775 260,195,78,13,15,105,315,525,525,315,105,15,17,136,476,952,1190,952, %U A132775 476,136,17,19,171,684,1596,2394,2394,1596,684,171,19 %N A132775 A007818 * A132774. %C A132775 Row sums = A014480: (1, 6, 20, 56, 144, 352, 832, ...). %F A132775 Binomial transform of A132774. T(n,k) = (2n+1) * A007318(n,k). %e A132775 First few rows of the triangle: %e A132775 1; %e A132775 3, 3; %e A132775 5, 10, 5; %e A132775 7, 21, 21, 7; %e A132775 9, 36, 54, 36, 9; %e A132775 11, 55, 110, 110, 55, 11; %e A132775 13, 78, 195, 260, 195, 78, 13; %e A132775 15, 105, 315, 525, 525, 315, 105, 15; %e A132775 ... %e A132775 Row 3 = (7, 21, 21, 7) = 7 * (1, 3, 3, 1). %Y A132775 Cf. A132774, A014480. %K A132775 nonn,tabl %O A132775 0,2 %A A132775 _Gary W. Adamson_, Aug 29 2007