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 A177816 #11 Oct 14 2024 00:10:57 %S A177816 1,17,707489,5030929,6029713,209372172193,250938565921,1413292053713, %T A177816 1784415176081,24025953593297,48948914347889,1423524187400657, %U A177816 5817190224008753,49446116858851553,74262006382962977 %N A177816 Numbers k such that k^3 divides 16^(k^2) + 1. %C A177816 17 divides a(n) for n > 1. %Y A177816 Cf. A127263 (k^3 divides 2^(k^2) + 1). %Y A177816 Cf. A128678, A128679, A128680, A128681, A128682, A128683, A128684, A128685. %Y A177816 Cf. A177813, A177814, A177816, A177817, A177818, A177819, A177820. %Y A177816 Cf. A128677 (least k > p such that (k*p)^3 divides (p-1)^(k*p)^2+1, where p = prime(n) > 2). %K A177816 nonn %O A177816 1,2 %A A177816 _Alexander Adamchuk_, May 14 2010 %E A177816 Terms a(6) onward from _Max Alekseyev_, May 16 2010