id:A071744 - OEIS Search Results

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Expansion of (1+x^4*C)*C^3, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.

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1, 3, 9, 28, 91, 301, 1015, 3480, 12099, 42562, 151228, 541960, 1956734, 7110845, 25989701, 95475760, 352339875, 1305592470, 4855786680, 18120495720, 67828282410, 254606644050, 958182559854, 3614592283728, 13665501157070 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A000245 A143739 A047047 this_sequence A071748 A071752 A071756` `Adjacent sequences: A071741 A071742 A071743 this_sequence A071745 A071746 A071747`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jun 06 2002`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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