id:A115059 - OEIS Search Results

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a(n+4) = a(n+3)+a(n+1)+a(n)+k(n), where k(n) = 0, 1, 0, or -1 according to n mod 4.

+0
1

0, 0, 1, 1, 1, 3, 5, 6, 10, 19, 30, 45, 74, 124, 199, 317, 515, 839, 1355, 2186, 3540, 5735, 9276, 15001, 24276, 39288, 63565, 102841, 166405, 269259, 435665, 704910, 1140574, 1845499, 2986074, 4831557, 7817630, 12649204, 20466835, 33116021 (list; graph; listen)

	OFFSET	`0,6`
	COMMENT	`a(n)+2a(n+2)+a(n+4) is the (n+4)'th Fibonacci number.`
	CROSSREFS	`Sequence in context: A115823 A112926 A027627 this_sequence A092835 A001838 A080759` `Adjacent sequences: A115056 A115057 A115058 this_sequence A115060 A115061 A115062`
	KEYWORD	`nonn`
	AUTHOR	`M. N. Deshpande (dpratap_ngp(AT)sancharnet.in), Feb 28 2006`
	EXTENSIONS	`Edited by Don Reble (djr(AT)nk.ca), Mar 14 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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