OFFSET
0,20
LINKS
Seiichi Manyama, Antidiagonals n = 0..139, flattened
FORMULA
E.g.f. of column k: Product_{i>k} exp(-x^i/i!).
A(0,k) = 1, A(1,k) = A(2,k) = ... = A(k,k) = 0 and A(n,k) = - Sum_{i=k..n-1} binomial(n-1,i)*A(n-1-i,k) for n > k.
EXAMPLE
Square array begins:
1, 1, 1, 1, 1, ...
-1, 0, 0, 0, 0, ...
0, -1, 0, 0, 0, ...
1, -1, -1, 0, 0, ...
1, 2, -1, -1, 0, ...
-2, 9, -1, -1, -1, ...
CROSSREFS
KEYWORD
sign,tabl
AUTHOR
Seiichi Manyama, Sep 29 2017
STATUS
approved