OFFSET
1,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..10000
FORMULA
Dirichlet g.f.: Product_{p prime} 1 / (1 - 10 * p^(-s)). - Ilya Gutkovskiy, Oct 30 2019
MATHEMATICA
10^PrimeOmega[Range[50]] (* Harvey P. Dale, Apr 03 2013 *)
CROSSREFS
KEYWORD
nonn,mult
AUTHOR
Jaroslav Krizek, Sep 28 2009
STATUS
approved