A028665 Galois numbers for p=3; order of group AGL(n,3).

1, 6, 432, 303264, 1965150720, 115562653240320, 61330486826476707840, 293207687471256968260730880, 12619705781992895315056778792140800, 4888884191426907931326620039839052385484800

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..45

Formula

a(n) = p^n*product(p^n-p^k, k=0..n-1).

Mathematica

FoldList[ #1*3^#2 (3^#2-1)&, 1, Range[ 20 ]]

Crossrefs

Sequence in context: A173760 A269882 A262013 * A231316 A270066 A001328

Adjacent sequences: A028662 A028663 A028664 * A028666 A028667 A028668

Keyword

nonn

Author

Olivier Gérard

Status

approved