id:A019476 - OEIS Search Results

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A019476

a(n) = 5*a(n-1) + a(n-2) - 2*a(n-3).

+0
1

2, 10, 51, 261, 1336, 6839, 35009, 179212, 917391, 4696149, 24039712, 123059927, 629947049, 3224715748, 16507405935, 84501851325, 432567231064, 2214323194775, 11335179502289, 58025086244092 (list; graph; listen)

	OFFSET	`0,1`
	REFERENCES	`R. K. Guy, personal communication.`
	FORMULA	`O.g.f.: (2-x^2)/(1-5x-x^2+2x^3). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 22 2008]`
	CROSSREFS	`Adjacent sequences: A019473 A019474 A019475 this_sequence A019477 A019478 A019479` `Sequence in context: A128449 A037514 A037717 this_sequence A019475 A020042 A075436`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 8 07:45 EST 2009. Contains 166143 sequences.

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