OFFSET
1,3
LINKS
FORMULA
a(1) = 1, and for n > 1, a(n) = -Sum_{d|n, d<n} A356153(n/d) * a(d).
PROG
(PARI)
A276086(n) = { my(m=1, p=2); while(n, m *= (p^(n%p)); n = n\p; p = nextprime(1+p)); (m); };
memoA356154 = Map();
CROSSREFS
KEYWORD
sign
AUTHOR
Antti Karttunen, Jul 28 2022
STATUS
approved