A081755 Number of noncongruent solutions to x^(2^m) == 1 (mod n) when n is such that the number of solutions is the same for any m>=1.

1, 1, 2, 2, 2, 2, 4, 2, 2, 4, 2, 2, 2, 4, 2, 2, 8, 2, 4, 2, 4, 4, 2, 4, 2, 4, 2, 2, 2, 2, 8, 4, 2, 2, 4, 4, 2, 4, 2, 8, 4, 4, 2, 2, 2, 8, 2, 8, 4, 4, 2, 2, 4, 2, 2, 4, 4, 2, 2, 4, 4, 2, 4, 2, 8, 4, 2, 4, 2, 4, 2, 4, 2, 8, 4, 2, 4, 2

Offset

1,3

Links

Table of n, a(n) for n=1..78.

Crossrefs

Cf. A060594.

Sequence in context: A359541 A069733 A187467 * A366538 A366536 A349355

Adjacent sequences: A081752 A081753 A081754 * A081756 A081757 A081758

Keyword

nonn

Author

Benoit Cloitre, Apr 08 2003

Status

approved