OFFSET
0,34
LINKS
Seiichi Manyama, Rows n = 0..481, flattened
FORMULA
G.f. of column k: x^(k*(k+1)/2) / Product_{j=1..k} (1+x^j).
EXAMPLE
First few rows are:
1;
0, 1;
0, -1;
0, 1, 1;
0, -1, -1;
0, 1, 0;
0, -1, 0, 1;
0, 1, 1, -1;
0, -1, -1, 0;
0, 1, 0, -1;
0, -1, 0, 2, 1.
CROSSREFS
KEYWORD
sign,tabf
AUTHOR
Seiichi Manyama, Sep 06 2017
STATUS
approved