A204989 Least 2^k such that n divides 2^k-2^j for some j<k.

4, 4, 8, 8, 32, 8, 16, 16, 128, 32, 2048, 16, 8192, 16, 32, 32, 512, 128, 524288, 64, 128, 2048, 4096, 32, 2097152, 8192, 524288, 32, 536870912, 32, 64, 64, 2048, 512, 8192, 256, 137438953472, 524288, 8192, 128, 2097152, 128, 32768, 4096

Offset

1,1

Comments

For a guide to related sequences, see A204892.

Links

Table of n, a(n) for n=1..44.

Mathematica

(See the program at A204987.)

Crossrefs

Cf. A204892, A204987.

Sequence in context: A351838 A328527 A145447 * A101921 A093340 A357751

Adjacent sequences: A204986 A204987 A204988 * A204990 A204991 A204992

Keyword

nonn

Author

Clark Kimberling, Jan 21 2012

Status

approved