id:A098586 - OEIS Search Results

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a(n) = (1/2) * ( 5 P(n+1) + P(n) - 1), where P(k) are the Pell numbers A000129.

+0
1

2, 5, 13, 32, 78, 189, 457, 1104, 2666, 6437, 15541, 37520, 90582, 218685, 527953, 1274592, 3077138, 7428869, 17934877, 43298624, 104532126, 252362877, 609257881, 1470878640, 3551015162, 8572908965, 20696833093, 49966575152 (list; graph; listen)

	OFFSET	`0,1`
	CROSSREFS	`Sequence in context: A086758 A116702 A098156 this_sequence A110320 A108890 A027929` `Adjacent sequences: A098583 A098584 A098585 this_sequence A098587 A098588 A098589`
	KEYWORD	`nonn,easy`
	AUTHOR	`Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Oct 03 2004`
	EXTENSIONS	`Formula supplied by Thomas Baruchel, Oct 03, 2004` `More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Nov 17 2004`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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