id:A000864 - OEIS Search Results

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Deceptive nonprimes: composite numbers n such that n divides the repunit R_{n-1}.

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91, 259, 451, 481, 703, 1729, 2821, 2981, 3367, 4141, 4187, 5461, 6533, 6541, 6601, 7471, 7777, 8149, 8401, 8911, 10001, 11111, 12403, 13981, 14701, 14911, 15211, 15841, 19201, 21931, 22321, 24013, 24661, 27613, 29341, 34133 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`R. Francis and T. Ray, The deceptive primes to 2.10^7, Missouri J. Math. Sci. 12 (2000), no. 3, 145-158.`
	CROSSREFS	`Sequence in context: A044423 A044804 A051973 this_sequence A020441 A063137 A165220` `Adjacent sequences: A000861 A000862 A000863 this_sequence A000865 A000866 A000867`
	KEYWORD	`nonn`
	AUTHOR	`Tim Ray (C268SCM(AT)SEMOVM.SEMO.EDU)`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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