id:A127636 - OEIS Search Results

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Hankel transform of C(3n,n), A005809.

+0
2

1, 6, 99, 4590, 601749, 223671780, 236051526780, 707876792166456, 6035175245831686020, 146337688589606021286324, 10094030504239191283895044707, 1981045079056219549583047340549844 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=3^n*A051255(n).`
	CROSSREFS	`Sequence in context: A111826 A064753 A138913 this_sequence A131311 A098721 A078629` `Adjacent sequences: A127633 A127634 A127635 this_sequence A127637 A127638 A127639`
	KEYWORD	`nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jan 21 2007`

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Last modified September 6 09:40 EDT 2008. Contains 143480 sequences.

AT&T Labs Research