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A139304 2^(2p - 1)/32, where p is a Mersenne prime A000668(n). +0
12
1, 256, 72057594037927936 (list; graph; listen)
OFFSET

1,2

FORMULA

a(n) = 2^(2*A000668(n)-1)/32 = A139294(n)/32.

CROSSREFS

Cf. A000668, A139286, A139294, A139295, A139296, A139297, A139298, A139299, A139300, A139301, A139302, A139303, A139305, A139306.

Sequence in context: A017552 A056668 A087930 this_sequence A018859 A004217 A051333

Adjacent sequences: A139301 A139302 A139303 this_sequence A139305 A139306 A139307

KEYWORD

bref,more,nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Apr 13 2008

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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