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 A344392 #12 May 18 2021 07:26:25 %S A344392 1,0,0,1,0,1,0,1,2,0,1,6,0,1,14,6,0,1,30,36,0,1,62,150,24,0,1,126,540, %T A344392 240,0,1,254,1806,1560,120,0,1,510,5796,8400,1800,0,1,1022,18150, %U A344392 40824,16800,720,0,1,2046,55980,186480,126000,15120 %N A344392 T(n, k) = k!*Stirling2(n - k, k), for n >= 0 and 0 <= k <= floor(n/2). Triangle read by rows. %C A344392 The antidiagonal representation of the Fubini numbers (A131689). %e A344392 Triangle starts: %e A344392 [ 0] [1] %e A344392 [ 1] [0] %e A344392 [ 2] [0, 1] %e A344392 [ 3] [0, 1] %e A344392 [ 4] [0, 1, 2] %e A344392 [ 5] [0, 1, 6] %e A344392 [ 6] [0, 1, 14, 6] %e A344392 [ 7] [0, 1, 30, 36] %e A344392 [ 8] [0, 1, 62, 150, 24] %e A344392 [ 9] [0, 1, 126, 540, 240] %e A344392 [10] [0, 1, 254, 1806, 1560, 120] %e A344392 [11] [0, 1, 510, 5796, 8400, 1800] %p A344392 T := (n, k) -> k!*Stirling2(n - k, k): %p A344392 seq(seq(T(n, k), k=0..n/2), n = 0..11); %Y A344392 Cf. A105795 (row sums). %Y A344392 Cf. A019538, A131689, A048993. %K A344392 nonn,tabf %O A344392 0,9 %A A344392 _Peter Luschny_, May 17 2021