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 A066445 #17 Jan 07 2025 22:15:27
%S A066445 0,144,1728,20736,248832,2985984,35831808,429981696,5159780352,
%T A066445 61917364224,743008370688,0,13800864889148,36652392292352,
%U A066445 96953703492618,236674172846080,568249606736865,15868743229440,1270692936983464,2296447475122176,1898727404471631,8621343763677184
%N A066445 a(n) = 12^n mod n^12.
%H A066445 Harry J. Smith, <a href="/A066445/b066445.txt">Table of n, a(n) for n = 1..500</a>
%t A066445 Table[ Mod[12^n, n^12], {n, 1, 20} ]
%t A066445 Table[PowerMod[12,n,n^12],{n,20}] (* _Harvey P. Dale_, Apr 05 2019 *)
%o A066445 (PARI) a(n) = { lift(Mod(12, n^12)^n) } \\ _Harry J. Smith_, Feb 14 2010
%Y A066445 Cf. A066606.
%K A066445 nonn,easy
%O A066445 1,2
%A A066445 _Robert G. Wilson v_, Dec 27 2001