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 A175036 #14 Jun 27 2024 08:32:14 %S A175036 1,2,4,1,5,6,13,14,3,19,1,13,37,22,28,14,46,44,40,24,4,18,65,2,96,10, %T A175036 38,31,66,2,4,124,34,82,69,32,75,103,114,5,36,78,20,6,135,125,24,132, %U A175036 12,13,152,24,16,8,64,218,37,55,59,170,15,270,101,104,142,185,64,16,243,28,319,12,63,308,156,252,193,334,18,159,375,298,27,316,292,65,410,220,236,173,329,46,76,150,447,46,320,118,25,17,206,399,336,457,150,3,49,116,392,512,81,77,113,75,188,50,131,116,647,63,68 %N A175036 a(n) = 2^(n-1) mod prime(n). %t A175036 Table[PowerMod[2,n-1,Prime[n]],{n,200}] (* _Zak Seidov_, Dec 02 2010 *) %Y A175036 Cf. A181670. %K A175036 nonn %O A175036 1,2 %A A175036 _Juri-Stepan Gerasimov_, Dec 02 2010 %E A175036 More terms from _Zak Seidov_, Dec 02 2010