A015937 - OEIS

A015937

Positive integers n such that 2^n == 2^12 (mod n).

1, 2, 4, 6, 8, 12, 16, 18, 20, 22, 23, 24, 32, 36, 40, 42, 48, 60, 62, 64, 68, 72, 80, 84, 89, 96, 120, 126, 128, 132, 144, 156, 160, 168, 180, 192, 204, 228, 240, 252, 256, 276, 288, 312, 320, 336, 340, 348, 352, 360, 372, 384, 420, 444, 462

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OFFSET

1,2

COMMENTS

The odd terms are given by A215613.

For all m, 2^A051446(m)-1 belongs to this sequence.

LINKS

T. D. Noe, Table of n, a(n) for n = 1..1000

OEIS Wiki, 2^n mod n

MATHEMATICA

With[{c=2^12}, Select[Range[1, 6000], Divisible[2^#-c, #]&]] (* Harvey P. Dale, Mar 20 2011 *)

CROSSREFS

Cf. A015919, A015921, A015922, A015924, A015925, A015926, A015927, A015929, A015931, A015932, A015935.

Sequence in context: A094109 A338361 A090404 * A058825 A087086 A301587

Adjacent sequences: A015934 A015935 A015936 * A015938 A015939 A015940

KEYWORD

nonn

AUTHOR

Robert G. Wilson v

EXTENSIONS

Edited by Max Alekseyev, Jul 31 2011

STATUS

approved