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A139300 2^(2p - 1)/8, where p is a Mersenne prime A000668(n). +0
12
4, 1024, 288230376151711744 (list; graph; listen)
OFFSET

1,1

FORMULA

a(n) = 2^(2*A000668(n)-1)/8 = A139294(n)/8.

CROSSREFS

Cf. A000668, A139286, A139294, A139295, A139296, A139297, A139298, A139299, A139301, A139302, A139303, A139304, A139305, A139306.

Sequence in context: A024059 A069920 A013780 this_sequence A004804 A159859 A110499

Adjacent sequences: A139297 A139298 A139299 this_sequence A139301 A139302 A139303

KEYWORD

bref,more,nonn

AUTHOR

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

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.


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