A243239 a(n) = 10^n mod 97.

1, 10, 3, 30, 9, 90, 27, 76, 81, 34, 49, 5, 50, 15, 53, 45, 62, 38, 89, 17, 73, 51, 25, 56, 75, 71, 31, 19, 93, 57, 85, 74, 61, 28, 86, 84, 64, 58, 95, 77, 91, 37, 79, 14, 43, 42, 32, 29, 96, 87, 94, 67, 88, 7, 70, 21, 16, 63, 48, 92, 47, 82, 44, 52, 35, 59, 8, 80, 24, 46, 72, 41, 22, 26, 66, 78, 4, 40, 12, 23, 36, 69, 11, 13, 33, 39, 2, 20, 6, 60, 18, 83, 54, 55, 65, 68

Offset

0,2

Comments

a(n) is the remainder of 10^n divided by 97. Repeats after 96 terms.

Links

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

Example

For n=6, a(6)=27.

Maple

[seq(10^n mod 97, n=0..200)]; # N. J. A. Sloane, Jun 25 2014

Mathematica

Table[PowerMod[10, n, 97], {n, 0, 100}] (* Vincenzo Librandi, Jun 26 2014 *)

Prog

(Sage) [power_mod(10, n, 97) for n in (0..100)] # Bruno Berselli, Jun 26 2014
(PARI) a(n)=lift(Mod(10, 97)^n) \\ Charles R Greathouse IV, Mar 22 2016
(Magma) [Modexp(10, n, 97): n in [0..100]]; // Bruno Berselli, Mar 22 2016

Crossrefs

Sequence in context: A195817 A347126 A228314 * A079670 A343563 A050100

Adjacent sequences: A243236 A243237 A243238 * A243240 A243241 A243242

Keyword

nonn,easy

Author

Xueshi Gao, Jun 01 2014

Extensions

Changed offset; made it into an infinite sequence. - N. J. A. Sloane, Jun 25 2014

Status

approved