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A097196 G.f.: Product_{n >= 1} (1+q^(3*n))^4*(1-q^(3*n))^2/(1-q^(2*n)). 0
1, 0, 1, 2, 2, 2, 4, 4, 6, 8, 9, 12, 16, 18, 22, 28, 33, 40, 50, 58, 70, 84, 98, 116, 138, 160, 188, 222, 256, 298, 348, 400, 463, 536, 614, 706, 812, 926, 1060, 1212, 1378, 1568, 1785, 2022, 2292, 2598, 2932, 3312, 3740, 4208, 4736, 5328, 5978, 6708, 7522, 8416, 9416 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

The right-hand side of an identity of G. N. Watson.

REFERENCES

N. J. Fine, Basic Hypergeometric Series and Applications, Amer. Math. Soc., 1988; p. 50, Eq. (25.4).

LINKS

Table of n, a(n) for n=0..56.

CROSSREFS

Sequence in context: A172068 A008331 A173388 * A132325 A010238 A178799

Adjacent sequences:  A097193 A097194 A097195 * A097197 A097198 A097199

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Sep 17 2004

STATUS

approved

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Last modified May 22 09:05 EDT 2013. Contains 225516 sequences.