OFFSET
0,3
LINKS
FORMULA
PROG
(PARI) A339902(n) = { my(s=0, p=2); while(n>0, p = nextprime(1+p); if(n%2, s += bigomega(p-1)); n >>= 1); (s); };
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Dec 21 2020
STATUS
approved