Expansion of Jacobi theta function theta_3(x) = Sum_{m = -infinity..infinity} x^(m^2) (number of solutions to k^2 = n).
1, 2, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0
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Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java