A094922 a(n) = (7^n-1)/6 mod n.

0, 0, 0, 0, 1, 0, 1, 0, 0, 8, 1, 0, 1, 8, 12, 0, 1, 0, 1, 0, 15, 8, 1, 0, 1, 8, 0, 8, 1, 18, 1, 0, 24, 8, 22, 0, 1, 8, 18, 0, 1, 36, 1, 4, 36, 8, 1, 0, 8, 8, 6, 36, 1, 0, 7, 8, 0, 8, 1, 0, 1, 8, 36, 0, 6, 6, 1, 60, 57, 8, 1, 0, 1, 8, 57, 20, 43, 30, 1, 0, 0, 8, 1, 36, 81, 8, 57, 16, 1, 18, 29, 32, 57

Offset

1,10

Links

Antti Karttunen, Table of n, a(n) for n = 1..20000

Prog

(PARI) A094922(n) = ((((7^n)-1)/6)%n); \\ Antti Karttunen, Feb 18 2023

Crossrefs

Sequence in context: A209914 A365237 A342980 * A230049 A088990 A351129

Adjacent sequences: A094919 A094920 A094921 * A094923 A094924 A094925

Keyword

nonn,look

Author

N. J. A. Sloane, Jun 18 2004

Status

approved