id:A122182 - OEIS Search Results

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Least positive number k such that 2^k (mod k) == 2n, or 0 if no such k exists.

+0
3

1, 3, 6, 10669, 9, 18, 3763, 1010, 20, 35, 2951, 42, 50, 27, 36, 49, 56, 110, 697, 578, 156, 540923, 70, 287, 104, 147, 4044, 970, 220, 59378, 119, 345, 66, 3007, 75, 1990362, 184, 190, 100, 115, 81, 162, 470, 406, 812, 6631, 105, 310, 160, 207, 322 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`A bisection of A036236: a(n) = A036236(2n).` `Cf. A124977.` `Sequence in context: A157548 A134901 A157564 this_sequence A157596 A111316 A152590` `Adjacent sequences: A122179 A122180 A122181 this_sequence A122183 A122184 A122185`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), May 11 2007, Jul 18 2008`
	EXTENSIONS	`New definition from Benoit Jubin, Jul 17 2008` `More terms from Max Alekseyev (maxale(AT)gmail.com), May 08 2009`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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