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Search: id:A147596
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| A147596 |
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a(n) is the number whose binary representation is A138145(n). |
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+0
4
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| 1, 3, 7, 15, 31, 63, 119, 231, 455, 903, 1799, 3591, 7175, 14343, 28679, 57351, 114695, 229383, 458759, 917511, 1835015, 3670023, 7340039, 14680071, 29360135, 58720263, 117440519, 234881031, 469762055, 939524103, 1879048199, 3758096391
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OFFSET
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1,2
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FORMULA
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a(n) = 7*(2^(n-3)+1) if n>=6. [From Hagen von Eitzen (math(AT)von-eitzen.de), Jun 02 2009]
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CROSSREFS
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Cf. A138145, A145641, A147537, A147538, A147539, A147540, A147590, A147595, A147597.
Sequence in context: A119407 A043734 A151359 this_sequence A115567 A043740 A116082
Adjacent sequences: A147593 A147594 A147595 this_sequence A147597 A147598 A147599
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KEYWORD
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base,easy,nonn
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), Nov 08 2008
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EXTENSIONS
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More terms from Hagen von Eitzen (math(AT)von-eitzen.de), Jun 02 2009
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