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A339707 Dirichlet g.f.: Product_{k>=2} (1 - k^(-s))^8. 7
1, -8, -8, 20, -8, 56, -8, 0, 20, 56, -8, -104, -8, 56, 56, -70, -8, -104, -8, -104, 56, 56, -8, -104, 20, 56, 0, -104, -8, -328, -8, 64, 56, 56, 56, 36, -8, 56, 56, -104, -8, -328, -8, -104, -104, 56, -8, 456, 20, -104, 56, -104, -8, -104, 56, -104, 56, 56, -8, 344, -8, 56, -104, 56, 56 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
FORMULA
a(1) = 1; a(n) = -Sum_{d|n, d < n} A339323(n/d) * a(d).
a(p^k) = A000731(k) for prime p.
CROSSREFS
Sequence in context: A298956 A232652 A299592 * A061156 A359037 A195862
KEYWORD
sign
AUTHOR
Ilya Gutkovskiy, Dec 13 2020
STATUS
approved

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)