id:A067938 - OEIS Search Results

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Let rep(n) be the n-th repunit number, sequence gives values of n such that rep(n)==rep(5) (mod n).

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1, 2, 4, 5, 8, 10, 11, 16, 20, 25, 32, 35, 40, 50, 55, 65, 74, 77, 80, 85, 95, 100, 101, 115, 125, 143, 145, 155, 160, 185, 200, 205, 215, 235, 250, 265, 275, 295, 296, 305, 335, 355, 365, 395, 400, 407, 410, 415, 445, 455, 485, 500, 505, 515, 535, 545, 565, 620 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A002275.` `Sequence in context: A066208 A018699 A073628 this_sequence A018457 A046809 A112777` `Adjacent sequences: A067935 A067936 A067937 this_sequence A067939 A067940 A067941`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 05 2002`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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