id:A080939 - OEIS Search Results

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a(1)=3; for n>1, a(n)=a(n-1)-2 if n is already in the sequence, a(n)=a(n-1)+5 otherwise.

+0
3

3, 8, 6, 11, 16, 14, 19, 17, 22, 27, 25, 30, 35, 33, 38, 36, 34, 39, 37, 42, 47, 45, 50, 55, 53, 58, 56, 61, 66, 64, 69, 74, 72, 70, 68, 66, 64, 62, 60, 65, 70, 68, 73, 78, 76, 81, 79, 84, 89, 87, 92, 97, 95, 100, 98, 96, 101, 99, 104, 102, 100, 98, 103, 101, 99 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`B. Cloitre, N. J. A. Sloane and M. J. Vandermast, Numerical analogues of Aronson's sequence, J. Integer Seqs., Vol. 6 (2003), #03.2.2.` `B. Cloitre, N. J. A. Sloane and M. J. Vandermast, Numerical analogues of Aronson's sequence (math.NT/0305308)`
	FORMULA	`a(n)-n (n >= 1) is periodic with period 168.`
	CROSSREFS	`Cf. A080578, A080900, A080901.` `Adjacent sequences: A080936 A080937 A080938 this_sequence A080940 A080941 A080942` `Sequence in context: A020809 A083700 A021725 this_sequence A098737 A072396 A001175`
	KEYWORD	`nonn,easy`
	AUTHOR	`njas and Benoit Cloitre, Apr 04 2003`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

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