id:A101596 - OEIS Search Results

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G.f.: c(2x)^4, c(x) the g.f. of A000108.

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1, 8, 56, 384, 2640, 18304, 128128, 905216, 6449664, 46305280, 334721024, 2434334720, 17801072640, 130809692160, 965500108800, 7154863964160, 53214300733440, 397094950010880, 2972195534929920, 22308469918924800 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=((8n+12)/(3n+12))((3n+3)/(n+3))2^n*C(n+1).`
	CROSSREFS	`Cf. A085687, A003645, A052701.` `Sequence in context: A081626 A003494 A057084 this_sequence A092521 A002914 A001666` `Adjacent sequences: A101593 A101594 A101595 this_sequence A101597 A101598 A101599`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Dec 08 2004`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research