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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

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

CROSSREFS

3rd column of A286950.

Cf. A033687.

Sequence in context: A268724 A248569 A214101 * A100052 A128504 A193822

Adjacent sequences:  A286949 A286950 A286951 * A286953 A286954 A286955

KEYWORD

sign

AUTHOR

Seiichi Manyama, May 17 2017

STATUS

approved

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Last modified June 19 09:23 EDT 2021. Contains 345126 sequences. (Running on oeis4.)