id:A096750 - OEIS Search Results

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

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1, 1, 1, 1, 2, 4, 6, 7, 8, 12, 21, 33, 44, 55, 76, 119, 185, 263, 351, 480, 706, 1066, 1551, 2156, 2982, 4269, 6281, 9162, 13013, 18252, 25921, 37513, 54449, 78045, 110626, 157124, 225490, 325403, 467576, 666960, 949661, 1358381, 1951976, 2803811 (list; graph; listen)

	OFFSET	`0,5`
	FORMULA	`a(n)=2a(n-1)-2a(n-2)+a(n-3)+a(n-4)`
	CROSSREFS	`Cf. A003522.` `Sequence in context: A092054 A029453 A014855 this_sequence A088458 A065853 A048284` `Adjacent sequences: A096747 A096748 A096749 this_sequence A096751 A096752 A096753`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jul 07 2004`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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