A139736 a(n) = 10^n mod 6^n.

0, 4, 28, 136, 928, 6688, 20224, 202240, 902656, 2308096, 23080960, 230809600, 856907776, 8569077760, 7326613504, 386722791424, 1986487975936, 14222659944448, 40666642776064, 406666427760640, 410505837543424, 4105058375434240, 41050583754342400, 410505837543424000

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..300

Mathematica

Table[PowerMod[10, n, 6^n], {n, 0, 30}] (* Harvey P. Dale, Oct 30 2013 *)

Prog

(Magma) [10^n mod 6^n: n in [0..35]]; // Vincenzo Librandi, Jun 04 2011
(PARI) a(n)=10^n%6^n \\ Charles R Greathouse IV, Jun 04 2011
(PARI) a(n)=lift(chinese(Mod(0, 2^n), Mod(10, 3^n)^n)) \\ Charles R Greathouse IV, Jun 04 2011

Crossrefs

Sequence in context: A367015 A270892 A271603 * A259987 A241778 A128941

Adjacent sequences: A139733 A139734 A139735 * A139737 A139738 A139739

Keyword

nonn

Author

N. J. A. Sloane, May 20 2008

Status

approved