A029848 - OEIS

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A029848

1+C(2*n,n)+C(3*n,n).

3, 6, 22, 105, 566, 3256, 19489, 119713, 748342, 4735446, 30229772, 194242153, 1254381857, 8132826045, 52900345681, 345022543105, 2255449994038, 14773402692946, 96935423713906, 637019314585501 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	CROSSREFS	`Sequence in context: A148641 A148642 A049415 * A090910 A176424 A151443` `Adjacent sequences: A029845 A029846 A029847 * A029849 A029850 A029851`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 15:27 EST 2012. Contains 205930 sequences.