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A139305
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(2^(2p - 1)/32)-1, where p=A000668(n) is n-th Mersenne prime.
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2
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OFFSET
| 1,2
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COMMENTS
| Next term is too large to list here.
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FORMULA
| a(n) = (2^(2*A000668(n)-1)/32)-1 = (A139294(n)/32)-1.
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CROSSREFS
| Cf. A000668, A139286, A139294, A139295, A139296, A139297, A139298, A139299, A139300, A139301, A139302, A139303, A139304, A139306.
Sequence in context: A175824 A069409 A069435 * A160514 A203813 A133487
Adjacent sequences: A139302 A139303 A139304 * A139306 A139307 A139308
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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
| Edited by Max Alekseyev (maxale(AT)gmail.com), Apr 23 2010
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