id:A056653 - OEIS Search Results

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Composite numbers together with 1 but excluding 4.

+0
1

1, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`These are also the numbers n such that n divides (n-1)!.`
	MATHEMATICA	`Select[ Range[ 1, 100 ], Mod[ (# - 1)!, # ] == 0 & ]`
	CROSSREFS	`Cf. A018252, A002808.` `Sequence in context: A138103 A043373 A054047 this_sequence A062973 A070162 A030550` `Adjacent sequences: A056650 A056651 A056652 this_sequence A056654 A056655 A056656`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 30 2000`
	EXTENSIONS	`Edited by Vladeta Jovovic (vladeta(AT)eunet.rs), Apr 30 2003`

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

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