This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A036156 #10 Jul 08 2025 21:36:18 %S A036156 1,5,25,125,46,37,185,153,186,158,18,90,64,127,56,87,49,52,67,142,131, %T A036156 76,187,163,43,22,110,164,48,47,42,17,85,39,2,10,50,57,92,74,177,113, %U A036156 179,123,36,180,128,61,112 %N A036156 5^n mod 193. %D A036156 I. M. Vinogradov, Elements of Number Theory, pp. 220 ff. %p A036156 [ seq(primroot(ithprime(i))^j mod ithprime(i),j=0..100) ]; %t A036156 PowerMod[5,Range[0,50],193] (* _Harvey P. Dale_, May 22 2016 *) %o A036156 (PARI) a(n)=lift(Mod(5,193)^n) \\ _Charles R Greathouse IV_, Mar 22 2016 %K A036156 nonn,easy %O A036156 0,2 %A A036156 _N. J. A. Sloane_