id:A113484 - OEIS Search Results

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a(n) = smallest composite integer > n and coprime to n.

+0
2

4, 9, 4, 9, 6, 25, 8, 9, 10, 21, 12, 25, 14, 15, 16, 21, 18, 25, 20, 21, 22, 25, 24, 25, 26, 27, 28, 33, 30, 49, 32, 33, 34, 35, 36, 49, 38, 39, 40, 49, 42, 55, 44, 45, 46, 49, 48, 49, 50, 51, 52, 55, 54, 55, 56, 57, 58, 63, 60, 77, 62, 63, 64, 65, 66, 85, 68, 69, 70, 81, 72, 77 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Leroy Quet, Home Page (listed in lieu of email address)`
	MATHEMATICA	`f[n_] := Block[{k = n + 1}, While[PrimeQ@k \|\| GCD[k, n] > 1, k++ ]; k]; Array[f, 72] (* Robert G. Wilson v *)`
	CROSSREFS	`Cf. A113496.` `Sequence in context: A071793 A010714 A089090 this_sequence A061767 A131016 A061369` `Adjacent sequences: A113481 A113482 A113483 this_sequence A113485 A113486 A113487`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet Jan 11 2006`
	EXTENSIONS	`More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 13 2006`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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