id:A022029 - OEIS Search Results

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A022029

a(n) = 3*a(n-1) + a(n-2) - a(n-3) - a(n-5); agrees with A010919 for n <= 35 only.

+0
2

4, 13, 42, 135, 433, 1388, 4449, 14260, 45706, 146496, 469546, 1504979, 4823727, 15460908, 49554976, 158832563, 509086778, 1631714194, 5229935889, 16762880107, 53728029453, 172207945799, 551957272549 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`G.f.: (4+x-x^2-x^4)/(1-3x-x^2+x^3+x^5). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 25 2008]`
	CROSSREFS	`Cf. A010919.` `Sequence in context: A109454 A000640 A010919 this_sequence A010900 A070031 A082989` `Adjacent sequences: A022026 A022027 A022028 this_sequence A022030 A022031 A022032`
	KEYWORD	`nonn`
	AUTHOR	`R. K. Guy (rkg(AT)cpsc.ucalgary.ca)`

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Last modified December 4 14:15 EST 2008. Contains 151279 sequences.

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