cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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

Original entry on oeis.org

1, -8, -8, 28, -8, 56, -8, -64, 28, 56, -8, -168, -8, 56, 56, 134, -8, -168, -8, -168, 56, 56, -8, 344, 28, 56, -64, -168, -8, -328, -8, -288, 56, 56, 56, 428, -8, 56, 56, 344, -8, -328, -8, -168, -168, 56, -8, -728, 28, -168, 56, -168, -8, 344, 56, 344, 56, 56, -8, 792
Offset: 1

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Author

Ilya Gutkovskiy, Dec 14 2020

Keywords

Crossrefs

Formula

a(1) = 1; a(n) = -Sum_{d|n, d < n} A339340(n/d) * a(d).
a(p^k) = A007259(k) for prime p.
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