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Search: id:A000734
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| A000734 |
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Boustrophedon transform of 1,1,2,4,8,16,32,... |
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+0
3
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| 1, 2, 5, 15, 49, 177, 715, 3255, 16689, 95777, 609875, 4270695, 32624329, 269995377, 2406363835, 22979029335, 234062319969, 2533147494977, 29027730898595, 351112918079175, 4470508510495609, 59766296291090577
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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Binomial transform of A062272. - Paul Barry (pbarry(AT)wit.ie), Jan 21 2005
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LINKS
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J. Millar, N. J. A. Sloane and N. E. Young, A new operation on sequences: the Boustrophedon on transform, J. Combin. Theory, 17A 44-54 1996 (Abstract, pdf, ps).
N. J. A. Sloane, Transforms
Index entries for sequences related to boustrophedon transform
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FORMULA
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E.g.f.: (1+exp(2x))(sec(x)+tan(x))/2. - Paul Barry (pbarry(AT)wit.ie), Jan 21 2005
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CROSSREFS
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Sequence in context: A149942 A149943 A079146 this_sequence A148366 A005751 A149944
Adjacent sequences: A000731 A000732 A000733 this_sequence A000735 A000736 A000737
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Simon Plouffe (simon.plouffe(AT)gmail.com)
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