id:A114122 - OEIS Search Results

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Expansion of (1+x)^2/(1+2x-4x^3-4x^4).

+0
2

1, 0, 1, 2, 0, 4, 4, 0, 16, 0, 16, 32, 0, 64, 64, 0, 256, 0, 256, 512, 0, 1024, 1024, 0, 4096, 0, 4096, 8192, 0, 16384, 16384, 0, 65536, 0, 65536, 131072, 0, 262144, 262144, 0, 1048576 (list; graph; listen)

	OFFSET	`0,4`
	COMMENT	`Binomial transform is A116404.`
	FORMULA	`a(n)=-2a(n-1)+4a(n-3)+4a(n-4)`
	CROSSREFS	`Adjacent sequences: A114119 A114120 A114121 this_sequence A114123 A114124 A114125` `Sequence in context: A099092 A081236 A103328 this_sequence A004174 A049797 A116578`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Feb 07 2006`

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.

AT&T Labs Research