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

Offset: 1

Author

Robert G. Wilson v

Keywords

• nonn

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

Crossrefs

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

Programs

Mathematica

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

Extensions

Edited by Max Alekseyev, Jul 31 2011