A054708 Number of powers of 7 modulo n.

1, 1, 1, 2, 4, 1, 2, 2, 3, 4, 10, 2, 12, 2, 4, 2, 16, 3, 3, 4, 2, 10, 22, 2, 4, 12, 9, 3, 7, 4, 15, 4, 10, 16, 5, 6, 9, 3, 12, 4, 40, 2, 6, 10, 12, 22, 23, 2, 3, 4, 16, 12, 26, 9, 20, 3, 3, 7, 29, 4, 60, 15, 4, 8, 12, 10, 66, 16, 22, 5, 70, 6, 24, 9, 4, 6, 11, 12, 78, 4, 27, 40, 41, 3, 16, 6

Offset

1,4

Links

David W. Wilson, Table of n, a(n) for n = 1..1000

Crossrefs

Sequence in context: A305717 A208645 A361381 * A112229 A087419 A338095

Adjacent sequences: A054705 A054706 A054707 * A054709 A054710 A054711

Keyword

easy,nonn

Author

Henry Bottomley, Apr 20 2000

Status

approved