OFFSET
0,2
COMMENTS
a(n) differs from A113019(n+9) starting at n = 19. - M. F. Hasler, Nov 17 2019
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10000
FORMULA
a(n) = 2^A007953(n).
PROG
(PARI) {a(n) = 2^sumdigits(n)}
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Seiichi Manyama, Nov 16 2019
STATUS
approved