id:A096080 - OEIS Search Results

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a(n) = floor((a(n-2)*a(n-1))/(a(n-1)+a(n-2))) + a(n-1) + a(n-2), a(0) = 0, a(1) = 1, a(2) = 1, ...

+0
1

0, 1, 1, 2, 3, 6, 11, 20, 38, 71, 133, 250, 469, 882, 1657, 3114, 5852, 10998, 20669, 38845, 73004, 137203, 257857, 484612, 910773, 1711693, 3216930, 6045851, 11362482, 21354481, 40133296, 75425924, 141754368, 266411067, 500689027 (list; graph; listen)

	OFFSET	`0,4`
	COMMENT	`lim n->inf a(n)/a(n-1) = 2cos(Pi/9) = a root of 1 + 3x - x^3`
	CROSSREFS	`Sequence in context: A078042 A115792 A054177 this_sequence A005230 A030037 A077078` `Adjacent sequences: A096077 A096078 A096079 this_sequence A096081 A096082 A096083`
	KEYWORD	`nonn`
	AUTHOR	`Gerald McGarvey (Gerald.McGarvey(AT)comcast.net), Jul 21 2004`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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