id:A048770 - OEIS Search Results

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Partial sums of A048694.

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1

1, 8, 23, 60, 149, 364, 883, 2136, 5161, 12464, 30095, 72660, 175421, 423508, 1022443, 2468400, 5959249, 14386904, 34733063, 83853036, 202439141, 488731324, 1179901795, 2848534920, 6876971641, 16602478208, 40081928063 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=2*a(n-1)+a(n-2)+6; a(0)=1, a(1)=8.`
	EXAMPLE	`a(n)=[ {(7+4sqrt(2))(1+sqrt(2))^n - (7-4sqrt(2))(1-sqrt(2))^n}/2*sqrt(2) ]-3.`
	CROSSREFS	`Cf. A001333, A000129, A048654, A048655, A048694.` `Sequence in context: A027054 A048467 A002765 this_sequence A055273 A059209 A099274` `Adjacent sequences: A048767 A048768 A048769 this_sequence A048771 A048772 A048773`
	KEYWORD	`easy,nice,nonn`
	AUTHOR	`Barry E. Williams`
	EXTENSIONS	`More terms from James A. Sellers (sellersj(AT)math.psu.edu), Jun 20 2000`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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