id:A134736 - OEIS Search Results

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a(1) = 5; for n >1, a(n) = a(n-1) + gcd(n, a(n-1)).

+0
4

5, 6, 9, 10, 15, 18, 19, 20, 21, 22, 33, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 69, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 141, 144, 145, 150, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`Eric S. Rowland, A simple prime-generating recurrence, Abstracts Amer. Math. Soc., 29 (No. 1, 2008), p. 50 (Abstract 1035-11-986).`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..1000` `Eric S. Rowland, A simple prime-generating recurrence.`
	CROSSREFS	`See A106108 for other cross-references.` `Adjacent sequences: A134733 A134734 A134735 this_sequence A134737 A134738 A134739` `Sequence in context: A087176 A049329 A117827 this_sequence A138369 A137859 A082576`
	KEYWORD	`nonn`
	AUTHOR	`njas, Jan 28 2008`

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Last modified January 8 02:43 EST 2009. Contains 152824 sequences.

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