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 A360604 #4 Feb 23 2023 08:36:13 %S A360604 1,0,1,0,1,1,0,2,2,1,0,8,6,3,1,0,64,32,12,4,1,0,1024,320,80,20,5,1,0, %T A360604 32768,6144,960,160,30,6,1,0,2097152,229376,21504,2240,280,42,7,1,0, %U A360604 268435456,16777216,917504,57344,4480,448,56,8,1 %N A360604 Triangle read by rows. T(n, k) = 2^binomial(n - k, 2) * binomial(n - 1, k - 1). %e A360604 Triangle T(n, k) starts: %e A360604 [0] 1; %e A360604 [1] 0, 1; %e A360604 [2] 0, 1, 1; %e A360604 [3] 0, 2, 2, 1; %e A360604 [4] 0, 8, 6, 3, 1; %e A360604 [5] 0, 64, 32, 12, 4, 1; %e A360604 [6] 0, 1024, 320, 80, 20, 5, 1; %e A360604 [7] 0, 32768, 6144, 960, 160, 30, 6, 1; %e A360604 [8] 0, 2097152, 229376, 21504, 2240, 280, 42, 7, 1; %p A360604 T := (n, k) -> 2^binomial(n - k, 2) * binomial(n-1, k-1): %p A360604 for n from 0 to 9 do seq(T(n, k), k = 0..n) od; %Y A360604 Cf. A006125 (column 1), A002378 (T(n+2,n)), A130809 (T(n+3,n)), A006896 (row sums). %K A360604 nonn,tabl %O A360604 0,8 %A A360604 _Peter Luschny_, Feb 23 2023