A036156 5^n mod 193.

1, 5, 25, 125, 46, 37, 185, 153, 186, 158, 18, 90, 64, 127, 56, 87, 49, 52, 67, 142, 131, 76, 187, 163, 43, 22, 110, 164, 48, 47, 42, 17, 85, 39, 2, 10, 50, 57, 92, 74, 177, 113, 179, 123, 36, 180, 128, 61, 112

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) ];

Mathematica

PowerMod[5,Range[0,50],193] (* Harvey P. Dale, May 22 2016 *)

PARI

a(n)=lift(Mod(5,193)^n) \\ Charles R Greathouse IV, Mar 22 2016