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 A028674 #16 Jul 14 2025 00:25:28
%S A028674 1,132,2718144,8111637540864,3487687464241924669440,
%T A028674 215947547174699123561887936020480,
%U A028674 1925409377348197859035291587889453626619330560,2472068582401983350289346536053061182913649906696710374031360
%N A028674 Pseudo Galois numbers for d=12.
%H A028674 Vincenzo Librandi, <a href="/A028674/b028674.txt">Table of n, a(n) for n = 0..30</a>
%F A028674 a(n) = 12^n * Product_{k=0..n-1} (12^n - 12^k).
%F A028674 a(n) ~ c * 12^(n^2+n), where c = A132268. - _Amiram Eldar_, Jul 13 2025
%t A028674 FoldList[ #1*12^#2 (12^#2-1)&, 1, Range[ 20 ] ]
%t A028674 a[n_] := 12^n * Product[12^n - 12^k, {k, 0, n-1}]; Array[a, 8, 0] (* _Amiram Eldar_, Jul 13 2025 *)
%o A028674 (PARI) a(n) = 12^n * prod(k = 0, n-1, 12^n - 12^k); \\ _Amiram Eldar_, Jul 13 2025
%Y A028674 Cf. A028668, A028670, A028671, A028672, A028676, A028677, A028678, A028680, A028682, A028683, A028684, A028686.
%Y A028674 Cf. A132268.
%K A028674 nonn
%O A028674 0,2
%A A028674 _Olivier Gérard_