A027831 - OEIS

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A027831

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

1, 4, 14, 44, 134, 400, 1184, 3488, 10252, 30096, 88296, 258960, 759368, 2226560, 6528256, 19140352, 56117392, 164528960, 482376160, 1414257856, 4146398048, 12156629760, 35641443840, 104495439360 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	LINKS	`Index to sequences with linear recurrences with constant coefficients, signature (4,-2,-4,2)`
	CROSSREFS	`Sequence in context: A094309 A000300 A005323 * A097894 A065835 A198643` `Adjacent sequences: A027828 A027829 A027830 * A027832 A027833 A027834`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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