OFFSET
1
COMMENTS
Also parity of the Möbius transform of A369255.
LINKS
PROG
(PARI) A369253(n) = (sumdiv(n, d, 1-(bigomega(d)%2))%2);
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jan 24 2024
STATUS
approved