A351912 Period of binary representation of 1/n, or 0 if 1/n terminates.

0, 0, 2, 0, 4, 2, 3, 0, 6, 4, 10, 2, 12, 3, 4, 0, 8, 6, 18, 4, 6, 10, 11, 2, 20, 12, 18, 3, 28, 4, 5, 0, 10, 8, 12, 6, 36, 18, 12, 4, 20, 6, 14, 10, 12, 11, 23, 2, 21, 20, 8, 12, 52, 18, 20, 3, 18, 28, 58, 4, 60, 5, 6, 0, 12, 10, 66, 8, 22, 12, 35, 6, 9, 36, 20, 18, 30, 12, 39, 4, 54, 20, 82, 6

Offset

1,3

Comments

The difference from A007733 is that if n is a power of 2 this sequence has 0, whereas A007733(2^n) = 1.

Links

Table of n, a(n) for n=1..84.

Crossrefs

Cf. A007733, which is the main entry for this problem.

Cf. A242595.

Cf. A249772 (base 6), A051626 (decimal), A246004 (base 12).

Sequence in context: A001100 A218831 A242595 * A136265 A066910 A094405

Adjacent sequences: A351909 A351910 A351911 * A351913 A351914 A351915

Keyword

nonn,base

Author

Herbert Eberle, Mar 15 2022

Status

approved