A088461 - OEIS

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A088461

a(1)=1, a(n)=ceiling((n-a(a(a(n-1))))/2).

1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, 30, 31, 31, 32, 32, 33, 33, 34, 34, 34 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,4`
	FORMULA	`a(n)=cn+O(1) where c is the positive root of x^3+2x-1=0, c=0.453397651516403767644746538...`
	CROSSREFS	`Cf. A005374.` `Sequence in context: A071542 A176841 A176814 * A135020 A034888 A086388` `Adjacent sequences: A088458 A088459 A088460 * A088462 A088463 A088464`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Nov 12 2003`

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.