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A015937
Positive integers n such that 2^n == 2^12 (mod n).
9
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
1,2
COMMENTS
The odd terms are given by A215613.
For all m, 2^A051446(m)-1 belongs to this sequence.
LINKS
MATHEMATICA
With[{c=2^12}, Select[Range[1, 6000], Divisible[2^#-c, #]&]] (* Harvey P. Dale, Mar 20 2011 *)
KEYWORD
nonn
EXTENSIONS
Edited by Max Alekseyev, Jul 31 2011
STATUS
approved