A293003 Expansion of Product_{k>=1} (1 - x^(2*k))/(1 - x^(3*k)).

1, 0, -1, 1, -1, -1, 2, -1, -2, 3, -1, -3, 5, -2, -4, 7, -3, -6, 11, -4, -9, 15, -6, -12, 21, -8, -17, 29, -11, -23, 39, -15, -31, 52, -20, -41, 70, -26, -55, 91, -35, -71, 119, -45, -92, 154, -58, -119, 198, -75, -152, 252, -95, -193, 321, -120, -245, 404, -152

Offset

0,7

Links

Seiichi Manyama, Table of n, a(n) for n = 0..10000

Formula

Convolution inverse of A262346.

Crossrefs

Cf. A262346.

Sequence in context: A221640 A073300 A104468 * A110062 A144215 A254539

Adjacent sequences: A293000 A293001 A293002 * A293004 A293005 A293006

Keyword

sign

Author

Seiichi Manyama, Oct 07 2017

Status

approved