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A139302 2^(2p - 1)/16, where p is a Mersenne prime A000668(n). +0
12
2, 512, 144115188075855872 (list; graph; listen)
OFFSET

1,1

FORMULA

a(n) = 2^(2*A000668(n)-1)/16 = A139294(n)/16.

CROSSREFS

Cf. A000668, A139286, A139294, A139295, A139296, A139297, A139298, A139299, A139300, A139301, A139303, A139304, A139305, A139306.

Sequence in context: A109032 A109111 A004886 this_sequence A003391 A080778 A007513

Adjacent sequences: A139299 A139300 A139301 this_sequence A139303 A139304 A139305

KEYWORD

bref,more,nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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