A035264 - OEIS

A035264

Indices of the nonzero terms in expansion of Dirichlet series Product_p (1-(Kronecker(m,p)+1)*p^(-s)+Kronecker(m,p)*p^(-2s))^(-1) for m = 29.

1, 4, 5, 7, 9, 13, 16, 20, 23, 25, 28, 29, 35, 36, 45, 49, 52, 53, 59, 63, 64, 65, 67, 71, 80, 81, 83, 91, 92, 100, 103, 107, 109, 112, 115, 116, 117, 121, 125, 139, 140, 144, 145, 149, 151, 161, 167, 169, 173, 175, 179, 180, 181, 196, 197, 199, 203, 207, 208

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OFFSET

1,2

COMMENTS

Terms seem to be exactly the numbers represented by the indefinite binary quadratic form (1, 7, 5) with discriminant 29 (Lagrange-Gauss reduced (1, 5, -1)). - Peter Luschny, Jun 24 2014

LINKS

Peter Luschny, Table of n, a(n) for n = 1..1983

N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)

PROG

(PARI) m=29; select(x -> x, direuler(p=2, 101, 1/(1-(kronecker(m, p)*(X-X^2))-X)), 1) \\ Fixed by Andrey Zabolotskiy, Jul 30 2020

CROSSREFS

Cf. A038901.

Sequence in context: A283559 A284190 A035266 * A234257 A278335 A243300

Adjacent sequences: A035261 A035262 A035263 * A035265 A035266 A035267

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Dec 11 1999

EXTENSIONS

Name corrected by Andrey Zabolotskiy, Jul 30 2020

STATUS

approved