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Search: id:A061761
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| 0, 3, 7, 13, 23, 41, 75, 141, 271, 529, 1043, 2069, 4119, 8217, 16411, 32797, 65567, 131105, 262179, 524325, 1048615, 2097193, 4194347, 8388653, 16777263, 33554481, 67108915, 134217781, 268435511, 536870969, 1073741883, 2147483709
(list; graph; listen)
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OFFSET
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0,2
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,200
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FORMULA
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G.f.: x(3-5x)/((1-x)^2*(1-2x)). Binomial transform of 0,3,1,1,... (1 continued). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 17 2008]
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PROGRAM
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(PARI) { for (n=0, 200, write("b061761.txt", n, " ", 2^n + 2*n - 1) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 27 2009]
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CROSSREFS
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Sequence in context: A154691 A078447 A066624 this_sequence A081494 A048462 A048465
Adjacent sequences: A061758 A061759 A061760 this_sequence A061762 A061763 A061764
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 20 2001
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