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 A133861 #7 Jun 06 2021 17:03:42
%S A133861 12289,1062881,292968749,7909306973,1194631280321,2395794301259,
%T A133861 38413406256881,77460384757423,30794280412669,4161130688896397,
%U A133861 3748333074529501,240404931594746129,191828075390557213
%N A133861 Smallest odd prime base q such that p^11 divides q^(p-1) - 1, where p = prime(n).
%e A133861 a(1) = A035089(11) = 12289.
%t A133861 Do[ k = 1; While[ !PowerMod[ Prime[ k ], Prime[ n ] - 1, Prime[ n ]^11 ] == 1, k++ ]; Print[ { n, Prime[ k ] } ], {n, 1, 100} ]
%Y A133861 Cf. A035089, A125609, A125610, A125611, A125612, A125632, A125633, A125634, A125635, A125636, A125637, A125645, A125646, A125647, A125648, A125649, A133859, A133860, A133862, A133863, A133864, A133865.
%K A133861 nonn
%O A133861 1,1
%A A133861 _Alexander Adamchuk_, Sep 26 2007
%E A133861 Extended by _Max Alekseyev_, May 08 2009