OFFSET
1
LINKS
FORMULA
EXAMPLE
n = 9 = 3^2 is an odd number with an odd number of distinct prime factors, therefore a(9) = 1.
n = 105 = 3*5*7 is an odd number with an odd number of distinct prime factors, therefore a(105) = 1.
PROG
(PARI) A353673(n) = ((n%2) && (omega(n)%2));
KEYWORD
nonn
AUTHOR
Antti Karttunen, May 03 2022
STATUS
approved