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A121290 (2^(p-3) - 1)/3, where p is an odd prime, i.e. p=A065091. +0
2
0, 1, 5, 85, 341, 5461, 21845, 349525, 22369621, 89478485, 5726623061, 91625968981, 366503875925, 5864062014805, 375299968947541, 24019198012642645, 96076792050570581, 6148914691236517205 (list; graph; listen)
OFFSET

1,3

MATHEMATICA

Table[(2^Prime[n] - 8)/24, {n, 2, 100}] (*Artur Jasinski*)

CROSSREFS

Cf. A000043, A000668, A124477, A139479, A139480.

Sequence in context: A156720 A048143 A137083 this_sequence A012743 A139744 A101928

Adjacent sequences: A121287 A121288 A121289 this_sequence A121291 A121292 A121293

KEYWORD

nonn

AUTHOR

Lekraj Beedassy (blekraj(AT)yahoo.com), Aug 24 2006

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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