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 A033776 Product t2(q^d); d | 17, where t2 = theta2(q)/(2*q^(1/4)). 1
 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,46 COMMENTS Also the number of positive odd solutions to equation x^2 + 17*y^2 = 8*n + 18. - Seiichi Manyama, May 29 2017 REFERENCES J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 102. LINKS Seiichi Manyama, Table of n, a(n) for n = 0..10000 CROSSREFS Sequence in context: A085858 A188172 A106671 * A117371 A117370 A332007 Adjacent sequences:  A033773 A033774 A033775 * A033777 A033778 A033779 KEYWORD nonn,easy AUTHOR EXTENSIONS More terms from Kok Seng Chua (chuaks(AT)ihpc.nus.edu.sg), May 16 2000 STATUS approved

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Last modified August 12 05:33 EDT 2020. Contains 336438 sequences. (Running on oeis4.)