id:A007733 - OEIS Search Results

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Period of binary representation of 1/n.

+0
6

1, 1, 2, 1, 4, 2, 3, 1, 6, 4, 10, 2, 12, 3, 4, 1, 8, 6, 18, 4, 6, 10, 11, 2, 20, 12, 18, 3, 28, 4, 5, 1, 10, 8, 12, 6, 36, 18, 12, 4, 20, 6, 14, 10, 12, 11, 23, 2, 21, 20, 8, 12, 52, 18, 20, 3, 18, 28, 58, 4, 60, 5, 6, 1, 12, 10, 66, 8, 22, 12, 35, 6, 9, 36, 20, 18, 30, 12, 39, 4, 54, 20, 82, 6 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`Also sequence of period lengths for n's when you do primality testing and calculate "2^k mod n" from k=0 to k=n - Gottfried Helms (helms(AT)uni-kassel.de), Oct 05 2000` `Fractal sequence related to A002326: the even terms of this sequence are this sequence itself, constructed on A002326, whose terms are the odd terms of this sequence. - Alexandre Wajnberg (alexandre.wajnberg(AT)ulb.ac.be), Apr 27 2005`
	REFERENCES	`Simmons, G. J. The structure of the differentiation digraphs of binary sequences. Ars Combin. 35 (1993), A, 71-88, see Table 2. Math. Rev. 95f:05052.`
	LINKS	`Index entries for sequences related to decimal expansion of 1/n`
	CROSSREFS	`Adjacent sequences: A007730 A007731 A007732 this_sequence A007734 A007735 A007736` `Sequence in context: A130584 A078458 A033317 this_sequence A128520 A123755 A118291`
	KEYWORD	`nonn,easy`
	AUTHOR	`njas, Hal Sampson [ hals(AT)easynet.com ]`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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