A028669 - OEIS

%I #10 Jan 22 2022 16:59:05

%S 1,42,98784,11587955904,66774437101209600,18861003469034659931443200,

%T 261058346935768909875766027257446400,

%U 177055579258883302762565632026325003745732198400

%N Galois numbers for p=7; order of group AGL(n,7).

%H Vincenzo Librandi, <a href="/A028669/b028669.txt">Table of n, a(n) for n = 0..34</a>

%F a(n) = p^n Product (p^n - p^k) for k=0 to n-1.

%t FoldList[ #1*7^#2 (7^#2-1)&, 1, Range[ 20 ] ]

%K nonn

%O 0,2

%A _Olivier Gérard_