login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A122182 Least positive number k such that 2^k (mod k) == 2n, or 0 if no such k exists. 2
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; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

A bisection of A036236: a(n) = A036236(2n).

Cf. A124977.

Sequence in context: A157548 A134901 A157564 * A157596 A111316 A152590

Adjacent sequences:  A122179 A122180 A122181 * 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 08:13 EST 2012. Contains 205893 sequences.