OFFSET
0,13
LINKS
Seiichi Manyama, Antidiagonals n = 0..59, flattened
FORMULA
A(0,k) = 1 and A(n,k) = -Sum_{j=1..n} (j!)^k * A(n-j,k) for n > 0.
EXAMPLE
Square array begins:
1, 1, 1, 1, 1, ...
-1, -1, -1, -1, -1, ...
0, -1, -3, -7, -15, ...
0, -3, -29, -201, -1265, ...
0, -13, -499, -13351, -328975, ...
0, -71, -13101, -1697705, -206659569, ...
0, -461, -486131, -369575303, -268312660751, ...
CROSSREFS
KEYWORD
sign,tabl
AUTHOR
Seiichi Manyama, Mar 02 2019
STATUS
approved