A036143 a(n) = 3^n mod 127.

1, 3, 9, 27, 81, 116, 94, 28, 84, 125, 121, 109, 73, 92, 22, 66, 71, 86, 4, 12, 36, 108, 70, 83, 122, 112, 82, 119, 103, 55, 38, 114, 88, 10, 30, 90, 16, 48, 17, 51, 26, 78, 107, 67, 74, 95, 31, 93, 25, 75, 98, 40, 120

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

References

• I. M. Vinogradov, Elements of Number Theory, pp. 220 ff.

Programs

Maple

[ seq(primroot(ithprime(i))^j mod ithprime(i),j=0..100) ];

PARI

a(n)=lift(Mod(3,127)^n) \\ Charles R Greathouse IV, Mar 22 2016