OFFSET
1,2
COMMENTS
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..10000
FORMULA
PROG
(PARI) a(n) = my (f=factor(n)); prod (i=1, #f~, 3^a(f[i, 2]))
CROSSREFS
KEYWORD
nonn,easy,mult
AUTHOR
Rémy Sigrist, May 01 2018
STATUS
approved