OFFSET
0,9
LINKS
Seiichi Manyama, Antidiagonals n = 0..139, flattened
FORMULA
G.f. of column k: Product_{j>=1} (1-x^j)^(j^k).
EXAMPLE
Square array begins:
1, 1, 1, 1, 1, 1, ...
-1, -1, -1, -1, -1, -1, ...
-1, -2, -4, -8, -16, -32, ...
0, -1, -5, -19, -65, -211, ...
0, 0, -1, -9, -55, -285, ...
1, 4, 21, 127, 807, 5179, ...
CROSSREFS
KEYWORD
sign,tabl
AUTHOR
Seiichi Manyama, Mar 04 2017
STATUS
approved