A076935 - OEIS

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A076935

a(1)=1, a(n)=n-a(n-1)+a(a(n-1))-a(a(a(n-1)))+a(a(a(a(n-1))))-a(a(a(a(a(n-1))))).

1, 1, 2, 2, 3, 4, 4, 5, 5, 6, 7, 7, 8, 9, 9, 10, 10, 11, 12, 12, 13, 13, 14, 15, 15, 16, 17, 17, 18, 18, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 25, 25, 26, 26, 27, 28, 28, 29, 30, 30, 31, 31, 32, 33, 33, 34, 34, 35, 35, 36, 37, 37, 38, 39, 39, 40, 40, 41, 42, 42, 43, 43, 44, 44 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,3`
	FORMULA	`Conjecture: let c be the real root of 1-2*x+x^2-x^3+x^4-x^5, c=0.5974970086825179626770716964446..., then a(n)=floor(cn) +0 /+ 1`
	CROSSREFS	`Sequence in context: A098295 A074840 A064542 * A019446 A097369 A096607` `Adjacent sequences: A076932 A076933 A076934 * A076936 A076937 A076938`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Nov 27 2002`

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Last modified February 15 17:13 EST 2012. Contains 205828 sequences.