OFFSET
1
COMMENTS
Parity of A058063(n), bigomega(sigma(n)).
LINKS
MATHEMATICA
a[n_] := If[OddQ[PrimeOmega[DivisorSigma[1, n]]], 1, 0]; Array[a, 100] (* Amiram Eldar, May 13 2022 *)
PROG
(PARI) A353810(n) = (bigomega(sigma(n))%2);
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, May 13 2022
STATUS
approved