id:A067942 - 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(9) (mod n).

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1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 21, 24, 25, 30, 32, 33, 36, 39, 40, 45, 48, 50, 55, 60, 63, 64, 72, 73, 75, 80, 90, 96, 99, 100, 101, 105, 111, 117, 120, 125, 128, 137, 144, 150, 153, 160, 164, 165, 171, 180, 192, 195, 200, 207, 222, 225, 231, 240 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A002275.` `Sequence in context: A059519 A163101 A157465 this_sequence A130176 A156541 A031143` `Adjacent sequences: A067939 A067940 A067941 this_sequence A067943 A067944 A067945`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 05 2002`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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