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 A218162 #5 Oct 22 2012 18:24:05 %S A218162 19,8,15,6,10,33,4,107,43,170,194,21,86,10,109,6,31,227,212,108,75,5, %T A218162 13,21,36,516,119,68,69,264,281,634,186,214,210,50,397,277,227,112, %U A218162 461,329,47,1399,257,231,131,68,530,981,242,298,219,508,196,266,97,234 %N A218162 a(n) is the smallest positive integer k such that k^16 + 1 == 0 mod p, where p is the n-th prime of the form 1 + 32*b (see A133870(n)). %C A218162 A133870(n) : primes of form 32n+1. %e A218162 a(5) = 10 because 10^16+1 = 10000000000000001 = 353 * 449 * 641 * 1409 * 69857 with A133870(5) = 449. %t A218162 aa = {}; Do[p = Prime[n]; If[Mod[p, 32] == 1, k = 1; While[ ! Mod[k^16 + 1, p] == 0, k++ ]; AppendTo[aa, k]], {n, 300}]; aa %Y A218162 Cf. A133870. %K A218162 nonn %O A218162 1,1 %A A218162 _Michel Lagneau_, Oct 22 2012