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Search: id:A139293
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| A139293 |
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(2^(2p - 1)/8)-1, where p is prime. |
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+0
8
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| 0, 3, 63, 1023, 262143, 4194303, 1073741823, 17179869183
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OFFSET
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1,2
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FORMULA
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a(n)=(A139286(n)/8)-1.
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CROSSREFS
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Cf. A139286, A139287, A139288, A139289, A139290, A139291, A139292, A139294, A139306.
Adjacent sequences: A139290 A139291 A139292 this_sequence A139294 A139295 A139296
Sequence in context: A046181 A151993 A120053 this_sequence A133275 A123687 A159605
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KEYWORD
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more,nonn
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), Apr 13 2008
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