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A139293
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(2^(2p - 1)/8)-1, where p is prime.
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7
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0, 3, 63, 1023, 262143, 4194303, 1073741823, 17179869183, 4398046511103, 18014398509481983, 288230376151711743, 1180591620717411303423, 302231454903657293676543, 4835703278458516698824703
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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FORMULA
| a(n)=(A139286(n)/8)-1.
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CROSSREFS
| Cf. A139286, A139287, A139288, A139289, A139290, A139291, A139292, A139294, A139306.
Sequence in context: A046181 A151993 A120053 * A133275 A123687 A159605
Adjacent sequences: A139290 A139291 A139292 * A139294 A139295 A139296
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KEYWORD
| nonn
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AUTHOR
| Omar E. Pol (info(AT)polprimos.com), Apr 13 2008
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EXTENSIONS
| More terms from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Jul 16 2010
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