id:A084103 - OEIS Search Results

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Expansion of (1+x)^3/(1+x^3).

+0
3

1, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3, 0, 3, 3, 0, -3, -3 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Partial sums are A084104.`
	FORMULA	`a(n)=sum{k=0..n, binomial(2n-k-1, k)(-1)^k*3(n-k)} - Paul Barry (pbarry(AT)wit.ie), Jan 21 2005`
	CROSSREFS	`Sequence in context: A118522 A098316 A084055 this_sequence A036477 A128164 A140686` `Adjacent sequences: A084100 A084101 A084102 this_sequence A084104 A084105 A084106`
	KEYWORD	`easy,sign`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 15 2003`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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