A000756 - OEIS

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A000756

Boustrophedon transform of sequence 1,1,0,0,0,0,...

1, 2, 3, 5, 13, 41, 157, 699, 3561, 20401, 129881, 909523, 6948269, 57504201, 512516565, 4894172027, 49851629137, 539521049441, 6182455849009, 74781598946211, 952148890494165, 12729293006112121, 178281831561868013 (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 ).`
	CROSSREFS	`Cf. A000111.` `Sequence in context: A013013 A087362 A038560 * A192241 A093999 A042445` `Adjacent sequences: A000753 A000754 A000755 * A000757 A000758 A000759`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 06:07 EST 2012. Contains 205860 sequences.