A271352 a(n) = 3^n mod 211.

1, 3, 9, 27, 81, 32, 96, 77, 20, 60, 180, 118, 143, 7, 21, 63, 189, 145, 13, 39, 117, 140, 209, 205, 193, 157, 49, 147, 19, 57, 171, 91, 62, 186, 136, 197, 169, 85, 44, 132, 185, 133, 188, 142, 4, 12, 36, 108, 113, 128, 173, 97, 80, 29, 87, 50, 150

Offset: 0

Author

Vincenzo Librandi, Apr 05 2016

Keywords

• nonn
• easy

Links

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

Crossrefs

Cf. similar sequences listed in A271350.

Programs

Magma

[Modexp(3, n, 211): n in [0..100]];

Mathematica

PowerMod[3, Range[0, 100], 211]

PARI

a(n) = lift(Mod(3, 211)^n); \\ Altug Alkan, Apr 05 2016

Formula

a(n) = a(n-210).