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A114967 (n-th 3-almost prime)^(n-th 3-almost prime). +0
3
16777216, 8916100448256, 39346408075296537575424, 104857600000000000000000000, 443426488243037769948249630619149892803, 33145523113253374862572728253364605812736 (list; graph; listen)
OFFSET

1,1

COMMENT

3-almost prime analogue of A051674. A114850 is semiprime analogue of A051674.

FORMULA

a(n) = A014612(n)^A014612(n).

EXAMPLE

a(1) = A014612(1)^A014612(1) = 8^8 = 16777216 = 2^24.

a(2) = A014612(2)^A014612(2) = 12^12 = 8916100448256 = 2^24 * 3^12.

a(3) = A014612(3)^A014612(3) = 18^18 = 39346408075296537575424 = 2^18 * 3^36.

CROSSREFS

Cf. A001358, A014612, A051674, A113877, A114850.

Sequence in context: A017040 A118063 A017124 this_sequence A017220 A017328 A017448

Adjacent sequences: A114964 A114965 A114966 this_sequence A114968 A114969 A114970

KEYWORD

easy,nonn

AUTHOR

Jonathan Vos Post (jvospost3(AT)gmail.com), Feb 21 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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