OFFSET
1,2
LINKS
FORMULA
PROG
(PARI) A294873(n) = { my(m=1, e); fordiv(n, d, if(d>1, e = ispower(d); if(!e, m += m, if((e>1)&&(e%2), m *= prime((e+1)/2))))); m; };
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 11 2017
STATUS
approved