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A055414
Number of points in Z^8 of norm <= n.
6
1, 17, 1713, 33809, 306049, 1733537, 7259297, 24499121, 70554353, 179773681, 415055025, 886597537, 1773617697, 3355533537, 6058457297, 10510672945, 17588781393, 28537047057, 45040906785, 69369596001, 104503770913
OFFSET
0,2
COMMENTS
Numbers so far are all 1 mod 16. - Ralf Stephan, Jul 07 2003
LINKS
FORMULA
a(n) = [x^(n^2)] theta_3(x)^8/(1 - x), where theta_3() is the Jacobi theta function. - Ilya Gutkovskiy, Apr 14 2018
CROSSREFS
Column k=8 of A302997.
Sequence in context: A373856 A222905 A071826 * A156675 A276808 A088465
KEYWORD
nonn
STATUS
approved