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A286952
Expansion of Product_{j>=1} (1 - x^j)/(1 - x^(3*j))^3.
2
1, -1, -1, 3, -3, -2, 9, -8, -6, 22, -19, -13, 50, -42, -29, 104, -86, -57, 209, -170, -113, 398, -320, -208, 737, -586, -380, 1320, -1041, -666, 2311, -1808, -1152, 3949, -3069, -1938, 6629, -5120, -3221, 10920, -8390, -5242, 17724, -13549, -8435, 28342
OFFSET
0,4
LINKS
CROSSREFS
3rd column of A286950.
Cf. A033687.
Sequence in context: A268724 A248569 A214101 * A100052 A128504 A193822
KEYWORD
sign
AUTHOR
Seiichi Manyama, May 17 2017
STATUS
approved