OFFSET
0,8
LINKS
Seiichi Manyama, Antidiagonals n = 0..139, flattened
FORMULA
A(0,k) = 1 and A(n,k) = k^2 * (n-1)! * Sum_{j=1..n} binomial(j+k-1,k)*A(n-j,k)/(n-j)! for n > 0.
EXAMPLE
Square array A(n,k) begins:
1, 1, 1, 1, 1, ...
0, 1, 4, 9, 16, ...
0, 3, 28, 117, 336, ...
0, 13, 256, 1881, 8416, ...
0, 73, 2848, 35505, 241696, ...
0, 501, 37024, 763209, 7769856, ...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Seiichi Manyama, Oct 24 2017
STATUS
approved