%I #10 Dec 30 2012 02:03:31
%S 1,380,60648000,3880986816000000,99352641531709440000000000,
%T 1017370731356251764129792000000000000000,
%U 4167150450523480419075515127693312000000000000000000000
%N Pseudo Galois numbers for d=20.
%H Vincenzo Librandi, <a href="/A028682/b028682.txt">Table of n, a(n) for n = 0..27</a>
%F a(n) = d^n * product(d^n - d^k, k=0..n-1).
%t FoldList[ #1*20^#2 (20^#2-1)&, 1, Range[ 20 ] ]
%K nonn
%O 0,2
%A _Olivier GĂ©rard_