OFFSET
1
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..100000
FORMULA
a(n) = [A343370(n) = 1], where [ ] is the Iverson bracket.
For all n >= 1, a(n) >= A353481(n).
Sum_{k=1..n} a(k) ~ c * n, where c = 2/Pi^2 (A185197). - Amiram Eldar, Jan 05 2023
MATHEMATICA
a[n_] := If[OddQ[n] && MoebiusMu[n] == 1, 1, 0]; Array[a, 100] (* Amiram Eldar, Jan 05 2023 *)
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jan 02 2023
STATUS
approved