id:A083332 - OEIS Search Results

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a(n)=10a(n-2)-16a(n-4).

+0
2

1, 5, 14, 34, 124, 260, 1016, 2056, 8176, 16400, 65504, 131104, 524224, 1048640, 4194176, 8388736, 33554176, 67109120, 268434944, 536871424, 2147482624, 4294968320, 17179867136, 34359740416, 137438949376, 274877911040 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`a(n)/A083333(n) converges to 3.`
	FORMULA	`G.f.: (1+5x+4x^2-16x^3)/(1-10x^2+16x^4)`
	MATHEMATICA	`CoefficientList[Series[(1+5x+4x^2-16x^3)/(1-10x^2+16x^4), {x, 0, 30}], x]`
	CROSSREFS	`Sequence in context: A094584 A023515 A047860 this_sequence A101015 A076858 A001215` `Adjacent sequences: A083329 A083330 A083331 this_sequence A083333 A083334 A083335`
	KEYWORD	`easy,nonn`
	AUTHOR	`Mario Catalani (mario.catalani(AT)unito.it), Apr 24 2003`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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