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(n-th semiprime)^(n-th semiprime).
10

%I #12 Oct 19 2017 10:43:05

%S 256,46656,387420489,10000000000,11112006825558016,437893890380859375,

%T 5842587018385982521381124421,341427877364219557396646723584,

%U 88817841970012523233890533447265625

%N (n-th semiprime)^(n-th semiprime).

%C Semiprime analog of A051674. This is also a subset of A113877 "semiprimes to semiprime powers."

%H Harvey P. Dale, <a href="/A114850/b114850.txt">Table of n, a(n) for n = 1..121</a>

%F a(n) = A001358(n)^A001358(n).

%t #^#&/@Select[Range[30],PrimeOmega[#]==2&] (* _Harvey P. Dale_, Nov 07 2016 *)

%Y Cf. A001358, A051674, A113877.

%K easy,nonn

%O 1,1

%A _Jonathan Vos Post_, Feb 20 2006

%E Corrected by _Don Reble_, Nov 22 2006