OFFSET
0,14
LINKS
Seiichi Manyama, Rows n = 0..481, flattened
FORMULA
G.f. of column k: x^(k*(k+1)/2) / Product_{j=1..k} (1-j*x^j).
EXAMPLE
First few rows are:
1;
0, 1;
0, 1;
0, 1, 1;
0, 1, 1;
0, 1, 3;
0, 1, 3, 1;
0, 1, 7, 1;
0, 1, 7, 3;
0, 1, 15, 6;
0, 1, 15, 10, 1.
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Seiichi Manyama, Sep 06 2017
STATUS
approved