A114122 - OEIS

This site is supported by donations to The OEIS Foundation.

A114122

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

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; refs; listen; history; internal format)

	OFFSET	`0,4`
	COMMENTS	`Binomial transform is A116404.`
	FORMULA	`a(n)=-2a(n-1)+4a(n-3)+4a(n-4)`
	CROSSREFS	`Sequence in context: A081236 A103328 A167312 * A004174 A200291 A175457` `Adjacent sequences: A114119 A114120 A114121 * A114123 A114124 A114125`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Feb 07 2006`

Content is available under The OEIS End-User License Agreement .

Last modified February 16 21:51 EST 2012. Contains 205978 sequences.