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A139304 2^(2p - 1)/32, where p is a Mersenne prime A000668(n). 3
1, 256, 72057594037927936 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..3.

FORMULA

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

CROSSREFS

Sequence in context: A185981 A255321 A228133 * A018859 A180699 A195529

Adjacent sequences:  A139301 A139302 A139303 * A139305 A139306 A139307

KEYWORD

bref,nonn

AUTHOR

Omar E. Pol, Apr 13 2008

STATUS

approved

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Last modified March 19 13:22 EDT 2019. Contains 321330 sequences. (Running on oeis4.)