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A000737 Boustrophedon transform of natural numbers. 0
1, 3, 8, 21, 60, 197, 756, 3367, 17136, 98153, 624804, 4375283, 33424512, 276622829, 2465449252, 23543304919, 239810132288, 2595353815825, 29740563986500, 359735190398875, 4580290700420064, 61233976084442741 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

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

FORMULA

E.g.f.: (1+x)(tan x + sec x) exp(x).

CROSSREFS

Sequence in context: A158495 A018037 A018038 * A192235 A148769 A156291

Adjacent sequences:  A000734 A000735 A000736 * A000738 A000739 A000740

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 02:51 EST 2012. Contains 205860 sequences.