A001311 Final 2 digits of 6^n.

1, 6, 36, 16, 96, 76, 56, 36, 16, 96, 76, 56, 36, 16, 96, 76, 56, 36, 16, 96, 76, 56, 36, 16, 96, 76, 56, 36, 16, 96, 76, 56, 36, 16, 96, 76, 56, 36, 16, 96, 76, 56, 36, 16, 96, 76, 56, 36, 16, 96, 76, 56, 36, 16, 96

Offset

0,2

Comments

The period is 5.

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Index entries for sequences related to final digits of numbers

INRIA Algorithms Project, Encyclopedia of Combinatorial Structures 202

Mathematica

PowerMod[6, Range[0, 60], 100] (* Vincenzo Librandi, Aug 15 2016 *)

Prog

(PARI) a(n)=lift(Mod(6, 100)^n) \\ Charles R Greathouse IV, Dec 28 2012
(Magma) [Modexp(6, n, 100): n in [0..110]]; // Vincenzo Librandi, Aug 15 2016

Crossrefs

Sequence in context: A050112 A250202 A036125 * A360442 A137868 A070401

Adjacent sequences: A001308 A001309 A001310 * A001312 A001313 A001314

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved