id:A071747 - OEIS Search Results

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

+0
2

1, 2, 5, 14, 43, 136, 443, 1478, 5027, 17368, 60788, 215084, 768094, 2764880, 10021721, 36546310, 133990755, 493606680, 1826192640, 6782469540, 25278252810, 94512157680, 354397639830, 1332454176924, 5022040887822 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`First differences of A067294.` `Sequence in context: A061058 A060795 A071743 this_sequence A071751 A052301 A071755` `Adjacent sequences: A071744 A071745 A071746 this_sequence A071748 A071749 A071750`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jun 06 2002`

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

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