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A339734 Dirichlet g.f.: Product_{k>=2} 1 / (1 + k^(-s))^8. 1

%I

%S 1,-8,-8,28,-8,56,-8,-64,28,56,-8,-168,-8,56,56,134,-8,-168,-8,-168,

%T 56,56,-8,344,28,56,-64,-168,-8,-328,-8,-288,56,56,56,428,-8,56,56,

%U 344,-8,-328,-8,-168,-168,56,-8,-728,28,-168,56,-168,-8,344,56,344,56,56,-8,792

%N Dirichlet g.f.: Product_{k>=2} 1 / (1 + k^(-s))^8.

%F a(1) = 1; a(n) = -Sum_{d|n, d < n} A339340(n/d) * a(d).

%F a(p^k) = A007259(k) for prime p.

%Y Cf. A007259, A316441, A339340, A339717, A339718, A339719, A339720, A339721, A339722, A339735.

%K sign

%O 1,2

%A _Ilya Gutkovskiy_, Dec 14 2020

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Last modified August 3 19:54 EDT 2021. Contains 346441 sequences. (Running on oeis4.)