A165842 - OEIS

%I #8 Apr 10 2016 02:31:54

%S 1,21,21,441,21,441,21,9261,441,441,21,9261,21,441,441,194481,21,9261,

%T 21,9261,441,441,21,194481,441,441,9261,9261,21,9261,21,4084101,441,

%U 441,441,194481,21,441,441,194481,21,9261,21,9261,9261,441,21,4084101,441

%N Totally multiplicative sequence with a(p) = 21.

%H G. C. Greubel, <a href="/A165842/b165842.txt">Table of n, a(n) for n = 1..10000</a>

%F a(n) = A009965(A001222(n)) = 21^bigomega(n) = 21^A001222(n).

%t 21^PrimeOmega[Range[100]] (* _G. C. Greubel_, Apr 09 2016 *)

%K nonn,mult

%O 1,2

%A _Jaroslav Krizek_, Sep 28 2009