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A028650 Expansion of (theta_3(z)*theta_3(21z)+theta_2(z)*theta_2(21z))^2. 0
1, 0, 4, 0, 4, 0, 0, 0, 4, 0, 8, 8, 0, 16, 0, 8, 4, 16, 4, 16, 8, 0, 16, 24, 0, 16, 40, 0, 0, 16, 16, 16, 4, 16, 40, 8, 4, 16, 32, 0, 8, 16, 4, 32, 16, 0, 64, 16, 0, 0, 60, 8, 40, 48, 0, 48, 0, 16, 56, 48, 16, 48, 64, 0, 4, 64, 32 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..66.

CROSSREFS

Sequence in context: A086751 A048281 A066273 * A028634 A170773 A028618

Adjacent sequences:  A028647 A028648 A028649 * A028651 A028652 A028653

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 24 15:37 EST 2018. Contains 299623 sequences. (Running on oeis4.)