A138649 a(n) = 6^n mod 5^n.

0, 1, 11, 91, 46, 1526, 15406, 45561, 117116, 312071, 1872426, 21000181, 223657336, 853662766, 5121976596, 12421312701, 74527876206, 141991475986, 2377827762166, 18081663838621, 32196037719226, 2441363034106, 491485336407761, 2948912018446566

Offset

0,3

Links

Seiichi Manyama, Table of n, a(n) for n = 0..1430

Mathematica

Table[PowerMod[6, n, 5^n], {n, 0, 30}] (* Harvey P. Dale, Jan 23 2014 *)

Crossrefs

Cf. k^n mod (k-1)^n: A002380 (k=3), A064629 (k=4), A138589 (k=5), this sequence (k=6), A139786 (k=7), A138973 (k=8), A139733 (k=9).

Sequence in context: A037713 A037615 A068973 * A077711 A088779 A088775

Adjacent sequences: A138646 A138647 A138648 * A138650 A138651 A138652

Keyword

nonn

Author

N. J. A. Sloane, May 20 2008

Status

approved