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A165828
Totally multiplicative sequence with a(p) = 7.
9
1, 7, 7, 49, 7, 49, 7, 343, 49, 49, 7, 343, 7, 49, 49, 2401, 7, 343, 7, 343, 49, 49, 7, 2401, 49, 49, 343, 343, 7, 343, 7, 16807, 49, 49, 49, 2401, 7, 49, 49, 2401, 7, 343, 7, 343, 343, 49, 7, 16807, 49, 343
OFFSET
1,2
LINKS
FORMULA
a(n) = A000420(A001222(n)) = 7^bigomega(n) = 7^A001222(n).
Dirichlet g.f.: Product_{p prime} 1 / (1 - 7 * p^(-s)). - Ilya Gutkovskiy, Oct 30 2019
MATHEMATICA
7^PrimeOmega[Range[100]] (* G. C. Greubel, Apr 09 2016 *)
PROG
(PARI) a(n) = 7^bigomega(n); \\ Altug Alkan, Apr 09 2016
CROSSREFS
Sequence in context: A219447 A271064 A173294 * A161343 A038273 A245132
KEYWORD
nonn,mult
AUTHOR
Jaroslav Krizek, Sep 28 2009
STATUS
approved