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A035149 Coefficients in expansion of Dirichlet series Product_p (1-(Kronecker(m,p)+1)*p^(-s)+Kronecker(m,p)*p^(-2s))^(-1) for m = -41. 1
1, 2, 2, 3, 2, 4, 2, 4, 3, 4, 2, 6, 0, 4, 4, 5, 0, 6, 2, 6, 4, 4, 0, 8, 3, 0, 4, 6, 0, 8, 0, 6, 4, 0, 4, 9, 2, 4, 0, 8, 1, 8, 0, 6, 6, 0, 2, 10, 3, 6, 0, 0, 0, 8, 4, 8, 4, 0, 0, 12, 2, 0, 6, 7, 0, 8, 2, 0, 0, 8, 2, 12, 2, 4, 6, 6, 4, 0, 2, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

MATHEMATICA

a[n_] := If[n < 0, 0, DivisorSum[n, KroneckerSymbol[-41, #] &]];

Table[a[n], {n, 1, 100}] (* G. C. Greubel, Apr 25 2018 *)

PROG

(PARI) m=-41; direuler(p=2, 101, 1/(1-(kronecker(m, p)*(X-X^2))-X))

CROSSREFS

Sequence in context: A289849 A299701 A286605 * A074848 A252505 A325560

Adjacent sequences:  A035146 A035147 A035148 * A035150 A035151 A035152

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified October 28 07:43 EDT 2021. Contains 348321 sequences. (Running on oeis4.)