id:A071743 - OEIS Search Results

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Expansion of (1+x^4*C)*C^2, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.

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1, 2, 5, 14, 43, 135, 438, 1458, 4952, 17093, 59787, 211444, 754834, 2716430, 9844071, 35892558, 131576330, 484659105, 1792926015, 6658407540, 24814260930, 92772188130, 347856470880, 1307806293924, 4928962698072 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A063545 A061058 A060795 this_sequence A071747 A071751 A052301` `Adjacent sequences: A071740 A071741 A071742 this_sequence A071744 A071745 A071746`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jun 06 2002`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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