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 A127092 #28 Jun 06 2021 09:01:31
%S A127092 1,2,4,5,6,10,12,20,30,42,60,84,114,156,210,222,228,244,420,444,570,
%T A127092 732,780,798,930,1092,1110,1140,1220,1554,1596,1806,1860,2220,2436,
%U A127092 2964,3108,3612,3660,3990,4218,5124,5460,5772,6510,7770,7980,8268,8436,9030
%N A127092 Numbers k such that k^2 divides 11^k - 1.
%C A127092 Subsequence of A068383.
%H A127092 Seiichi Manyama, <a href="/A127092/b127092.txt">Table of n, a(n) for n = 1..1000</a>
%t A127092 Select[Range[15000], IntegerQ[(PowerMod[11, #, #^2 ]-1)/#^2 ]&]
%t A127092 Join[{1},Select[Range[9100],PowerMod[11,#,#^2]==1&]] (* _Harvey P. Dale_, Dec 30 2018 *)
%o A127092 (PARI) for(k=1, 1e4, if(Mod(11, k^2)^k==1, print1(k", "))) \\ _Seiichi Manyama_, Mar 25 2020
%Y A127092 Column k=11 of A333500.
%Y A127092 Cf. A068383, A127100, A127101, A127102, A127104, A127105, A127106, A127107, A292336.
%K A127092 nonn
%O A127092 1,2
%A A127092 _Alexander Adamchuk_, Jan 05 2007