A216131 a(n) = 11^n mod 1000.

1, 11, 121, 331, 641, 51, 561, 171, 881, 691, 601, 611, 721, 931, 241, 651, 161, 771, 481, 291, 201, 211, 321, 531, 841, 251, 761, 371, 81, 891, 801, 811, 921, 131, 441, 851, 361, 971, 681, 491, 401, 411, 521, 731, 41, 451, 961, 571, 281, 91, 1, 11, 121, 331, 641, 51, 561, 171, 881, 691, 601

Offset

0,2

Comments

Period = 50.

Links

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

Mathematica

PowerMod[11, Range[0, 100], 1000] (* Vincenzo Librandi, Aug 16 2016 *)

Prog

(PARI) for(i=0, 100, print(11^i%1000" "))
(Magma) [Modexp(11, n, 1000): n in [0..110]]; // Vincenzo Librandi, Aug 16 2016

Crossrefs

Cf. A216100.

Sequence in context: A014951 A223223 A240942 * A338784 A223392 A262468

Adjacent sequences: A216128 A216129 A216130 * A216132 A216133 A216134

Keyword

nonn,easy

Author

V. Raman, Sep 01 2012

Extensions

a(0) = 1 prepended and offset changed by Vincenzo Librandi, Aug 16 2016

Status

approved