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A000752 Boustrophedon transform of powers of 2. 1
1, 3, 9, 28, 93, 338, 1369, 6238, 31993, 183618, 1169229, 8187598, 62545893, 517622498, 4613366689, 44054301358, 448733127793, 4856429646978, 55650582121749, 673136951045518, 8570645832753693, 114581094529057058 (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.: exp(2x) (tan x + sec x).

CROSSREFS

Sequence in context: A081914 A120985 A014323 * A047027 A148931 A148932

Adjacent sequences:  A000749 A000750 A000751 * A000753 A000754 A000755

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 20:28 EST 2012. Contains 205962 sequences.