id:A067936 - 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(3) (mod n).

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1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 21, 24, 25, 30, 33, 39, 40, 50, 51, 55, 57, 60, 69, 75, 87, 93, 100, 105, 111, 120, 123, 125, 129, 141, 150, 159, 165, 177, 183, 195, 200, 201, 213, 219, 222, 231, 237, 249, 250, 267, 273, 275, 291, 300, 303, 309, 321, 327 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A002275.` `Sequence in context: A088232 A070994 A057197 this_sequence A087721 A140642 A072666` `Adjacent sequences: A067933 A067934 A067935 this_sequence A067937 A067938 A067939`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 05 2002`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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