id:A067943 - 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(10) (mod n).

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1, 2, 4, 5, 8, 10, 16, 20, 22, 25, 28, 32, 37, 40, 44, 50, 52, 64, 70, 80, 88, 100, 110, 112, 125, 128, 130, 146, 148, 154, 160, 170, 176, 190, 200, 202, 205, 208, 220, 230, 250, 256, 274, 280, 286, 290, 310, 320, 352, 364, 370, 400, 410, 430, 440, 442, 448, 470 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A002275.` `Sequence in context: A126684 A089653 A114652 this_sequence A067937 A003592 A159765` `Adjacent sequences: A067940 A067941 A067942 this_sequence A067944 A067945 A067946`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 05 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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