OFFSET
0,13
LINKS
Seiichi Manyama, Antidiagonals n = 0..139, flattened
FORMULA
G.f. of column k: Product_{j>=1} 1/(1+x^j)^(j^k).
EXAMPLE
Square array begins:
1, 1, 1, 1, 1, 1, ...
-1, -1, -1, -1, -1, -1, ...
0, -1, -3, -7, -15, -31, ...
-1, -2, -6, -20, -66, -212, ...
1, 1, 0, -8, -54, -284, ...
CROSSREFS
KEYWORD
sign,tabl
AUTHOR
Seiichi Manyama, Apr 07 2017
STATUS
approved