A094921 (6^n-1)/5 mod n.

0, 1, 1, 3, 0, 1, 1, 3, 7, 5, 1, 7, 1, 7, 10, 3, 1, 7, 1, 15, 1, 7, 1, 19, 0, 7, 16, 7, 1, 25, 1, 19, 10, 7, 15, 7, 1, 7, 4, 35, 1, 7, 1, 39, 25, 7, 1, 19, 29, 25, 43, 51, 1, 43, 15, 35, 43, 7, 1, 55, 1, 7, 43, 51, 60, 25, 1, 55, 43, 35, 1, 43, 1, 7, 25, 31, 8, 49, 1, 35, 16, 7, 1, 7, 25, 7, 43, 27

Offset

1,4

Links

Table of n, a(n) for n=1..88.

Mathematica

Table[Mod[(6^n-1)/5, n], {n, 90}] (* Harvey P. Dale, Nov 25 2012 *)

Crossrefs

Sequence in context: A174624 A029358 A088512 * A246522 A140166 A242782

Adjacent sequences: A094918 A094919 A094920 * A094922 A094923 A094924

Keyword

nonn

Author

N. J. A. Sloane, Jun 18 2004

Status

approved