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A320233
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Expansion of Product_{k=1..7} theta_3(q^k), where theta_3() is the Jacobi theta function.
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9
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1, 2, 2, 6, 8, 10, 22, 26, 34, 54, 68, 84, 114, 144, 156, 216, 256, 268, 350, 384, 414, 508, 564, 560, 686, 758, 736, 914, 966, 948, 1140, 1308, 1182, 1460, 1640, 1464, 1928, 2024, 1928, 2228, 2564, 2320, 2748, 3164, 2584, 3350, 3640, 3232, 3738, 4314, 3566, 4400
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OFFSET
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0,2
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COMMENTS
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Also the number of integer solutions (a_1, a_2, ... , a_7) to the equation a_1^2 + 2*a_2^2 + ... + 7*a_7^2 = n.
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LINKS
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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