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A054708 Number of powers of 7 modulo n. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

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

CROSSREFS

Sequence in context: A265823 A305717 A208645 * A112229 A087419 A338095

Adjacent sequences:  A054705 A054706 A054707 * A054709 A054710 A054711

KEYWORD

easy,nonn

AUTHOR

Henry Bottomley, Apr 20 2000

STATUS

approved

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Last modified April 11 16:42 EDT 2021. Contains 342888 sequences. (Running on oeis4.)