id:A108412 - OEIS Search Results

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Expansion of (1+x+x^2)/(1-4x^2+x^4).

+0
1

1, 1, 5, 4, 19, 15, 71, 56, 265, 209, 989, 780, 3691, 2911, 13775, 10864, 51409, 40545, 191861, 151316, 716035, 564719, 2672279, 2107560, 9973081, 7865521, 37220045, 29354524, 138907099, 109552575, 518408351, 408855776, 1934726305 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(0)=a(1)=1, a(2)=5, a(n)a(n+3) - a(n+1)a(n+2) = -1.`
	CROSSREFS	`Bisections are A001833 and A001834.` `Adjacent sequences: A108409 A108410 A108411 this_sequence A108413 A108414 A108415` `Sequence in context: A100791 A056883 A006747 this_sequence A133167 A133173 A070374`
	KEYWORD	`nonn`
	AUTHOR	`Ralf Stephan, Jun 05 2005`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

AT&T Labs Research