id:A064650 - OEIS Search Results

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a(n)=floor[a(n-1)/2]+a(n-2) with a(0)=1 and a(1)=2.

+0
2

1, 2, 2, 3, 3, 4, 5, 6, 8, 10, 13, 16, 21, 26, 34, 43, 55, 70, 90, 115, 147, 188, 241, 308, 395, 505, 647, 828, 1061, 1358, 1740, 2228, 2854, 3655, 4681, 5995, 7678, 9834, 12595, 16131, 20660, 26461, 33890, 43406, 55593, 71202, 91194, 116799, 149593 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) =A064651(n)+1. a(n)/a(n-1) tends to (1+sqrt(17))/4=1.2807764...`
	CROSSREFS	`Cf. A064324, A064325.` `Sequence in context: A118082 A120160 A017980 this_sequence A130083 A117357 A029020` `Adjacent sequences: A064647 A064648 A064649 this_sequence A064651 A064652 A064653`
	KEYWORD	`nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Oct 04 2001`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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