id:A126952 - OEIS Search Results

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a(0)=1, a(n+1)=5*a(n)-4*A117641(n) for n>=0.

+0
2

1, 1, 5, 21, 93, 421, 1937, 9017, 42349, 200277, 952425, 1519953, 21818841, 104966889, 506372277, 2448641061, 11865563853, 57604036309, 280110716777, 1364092539041, 6651682319233, 32474171399649, 162005212864557 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Hankel transform is 4^n=A000302(n).`
	CROSSREFS	`Sequence in context: A125784 A007287 A116904 this_sequence A103519 A017968 A017969` `Adjacent sequences: A126949 A126950 A126951 this_sequence A126953 A126954 A126955`
	KEYWORD	`nonn`
	AUTHOR	`Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Mar 19 2007`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research