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A035148 Coefficients in expansion of Dirichlet series Product_p (1-(Kronecker(m,p)+1)*p^(-s)+Kronecker(m,p)*p^(-2s))^(-1) for m = -42. 1
1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 2, 1, 0, 1, 2, 1, 0, 0, 1, 0, 2, 1, 1, 2, 1, 1, 2, 0, 2, 1, 0, 2, 0, 1, 0, 0, 2, 0, 2, 1, 2, 0, 0, 2, 0, 1, 1, 1, 2, 2, 2, 1, 0, 1, 0, 2, 2, 0, 2, 2, 1, 1, 0, 0, 2, 2, 2, 0, 2, 1, 0, 0, 1, 0, 0, 2, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,13

LINKS

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

MATHEMATICA

a[n_] := If[n < 0, 0, DivisorSum[n, KroneckerSymbol[-42, #] &]];

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

PROG

(PARI) m=-42; direuler(p=2, 101, 1/(1-(kronecker(m, p)*(X-X^2))-X))

CROSSREFS

Sequence in context: A135055 A265433 A298247 * A155077 A170968 A114114

Adjacent sequences:  A035145 A035146 A035147 * A035149 A035150 A035151

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified August 18 08:57 EDT 2019. Contains 326077 sequences. (Running on oeis4.)