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A143374 G.f.: eta(q)*eta(q^3)*eta(q^9)*eta(q^27)*eta(q^81)*eta(q^243)*..., where eta(q) = Product((1-q^m), m=1..oo). 3
1, -1, -1, -1, 1, 2, -1, 2, 0, -1, 0, 0, 0, -2, -2, 2, -3, -1, 1, 2, 3, 4, 1, -3, 0, -2, 3, -4, 2, 0, -1, -1, -2, -1, 0, -2, -2, 2, 2, -1, 0, 5, -1, 5, 0, 2, -3, -3, -3, 1, 3, 2, 2, -2, 4, -6, -4, 2, -2, -1, 2, -6, 0, 8, -4, -3, 2, 5, 1, -6, 3, 6, -1, 1, -4, -10, 1, 2, -1, 2, -5, -2, 6, 13, 4, 1, -1, 2, 1, 4, -4, -1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

COMMENTS

eta(q) = A(q)/A(q^3), where A(q) is the g.f. for this sequence (cf. A010815).

LINKS

Table of n, a(n) for n=0..91.

CROSSREFS

Cf. A010815, A083650, A030189, A160832, A170925, A194087.

Sequence in context: A241291 A082995 A079549 * A277899 A283760 A070088

Adjacent sequences:  A143371 A143372 A143373 * A143375 A143376 A143377

KEYWORD

sign

AUTHOR

N. J. A. Sloane and Gary W. Adamson, Feb 18 2010, Aug 14 2011.

STATUS

approved

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Last modified June 21 23:16 EDT 2018. Contains 305646 sequences. (Running on oeis4.)