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A035199 Coefficients in expansion of Dirichlet series Product_p (1-(Kronecker(m,p)+1)*p^(-s)+Kronecker(m,p)*p^(-2s))^(-1) for m = 17. 3

%I

%S 1,2,0,3,0,0,0,4,1,0,0,0,2,0,0,5,1,2,2,0,0,0,0,0,1,4,0,0,0,0,0,6,0,2,

%T 0,3,0,4,0,0,0,0,2,0,0,0,2,0,1,2,0,6,2,0,0,0,0,0,2,0,0,0,0,7,0,0,2,3,

%U 0,0,0,4,0,0,0,6,0,0,0,0,1

%N Coefficients in expansion of Dirichlet series Product_p (1-(Kronecker(m,p)+1)*p^(-s)+Kronecker(m,p)*p^(-2s))^(-1) for m = 17.

%H G. C. Greubel, <a href="/A035199/b035199.txt">Table of n, a(n) for n = 1..10000</a>

%t a[n_] := If[n < 0, 0, DivisorSum[n, KroneckerSymbol[17, #] &]]; Table[ a[n], {n, 1, 100}] (* _G. C. Greubel_, Apr 27 2018 *)

%o (PARI) m=17; direuler(p=2,101,1/(1-(kronecker(m,p)*(X-X^2))-X))

%K nonn

%O 1,2

%A _N. J. A. Sloane_

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Last modified November 26 21:07 EST 2021. Contains 349344 sequences. (Running on oeis4.)