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A165831 Totally multiplicative sequence with a(p) = 10. 9

%I #12 Oct 30 2019 09:21:55

%S 1,10,10,100,10,100,10,1000,100,100,10,1000,10,100,100,10000,10,1000,

%T 10,1000,100,100,10,10000,100,100,1000,1000,10,1000,10,100000,100,100,

%U 100,10000,10,100,100,10000,10,1000,10,1000,1000,100,10,100000,100,1000

%N Totally multiplicative sequence with a(p) = 10.

%H G. C. Greubel, <a href="/A165831/b165831.txt">Table of n, a(n) for n = 1..10000</a>

%F a(n) = A011557(A001222(n)) = 10^bigomega(n) = 10^A001222(n).

%F Dirichlet g.f.: Product_{p prime} 1 / (1 - 10 * p^(-s)). - _Ilya Gutkovskiy_, Oct 30 2019

%t 10^PrimeOmega[Range[50]] (* _Harvey P. Dale_, Apr 03 2013 *)

%Y Cf. A001222, A011557.

%K nonn,mult

%O 1,2

%A _Jaroslav Krizek_, Sep 28 2009

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Last modified April 20 00:00 EDT 2024. Contains 371798 sequences. (Running on oeis4.)