id:A099530 - OEIS Search Results

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

+0
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1, 1, 1, 1, 0, -1, -2, -3, -3, -2, 0, 3, 6, 8, 8, 5, -1, -9, -17, -22, -21, -12, 5, 27, 48, 60, 55, 28, -20, -80, -135, -163, -143, -63, 72, 235, 378, 441, 369, 134, -244, -685, -1054, -1188, -944, -259, 795, 1983, 2927, 3186, 2391, 408, -2519, -5705, -8096, -8504, -5985, -280, 7816, 16320, 22305, 22585, 14769 (list; graph; listen)

	OFFSET	`0,7`
	COMMENT	`Binomial transform of A099531.`
	FORMULA	`a(n)=a(n-1)-a(n-4); a(n)=sum{k=0..floor(n/4), binomial(n-3k, k)(-1)^k}.`
	CROSSREFS	`Cf. A050935.` `Adjacent sequences: A099527 A099528 A099529 this_sequence A099531 A099532 A099533` `Sequence in context: A076585 A022906 A101914 this_sequence A074989 A123548 A131838`
	KEYWORD	`easy,sign`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Oct 20 2004`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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