id:A055692 - OEIS Search Results

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9^n (mod n-1) = -1.

+0
1

2, 3, 11, 42, 147, 13818, 21450, 27594, 41370, 55011, 126291, 265722, 417123, 1315635, 3994571, 5704611, 6860490, 9298842, 13941354, 14349027, 17658578, 20382810, 26557874, 27841338, 69831363, 86550090 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Do[If[PowerMod[9, n, n-1]==n-2, Print[n]], {n, 2, 10^8}]`
	CROSSREFS	`Adjacent sequences: A055689 A055690 A055691 this_sequence A055693 A055694 A055695` `Sequence in context: A000280 A046224 A081173 this_sequence A051075 A051087 A051081`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 09 2000`

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

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