A028671 Pseudo Galois numbers for d=9; order of group AGL(n,3^2).

1, 72, 466560, 247608990720, 10657130578027315200, 37158487365982254056334950400, 10494634615565778355427184150449750016000

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..32

Formula

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

Mathematica

FoldList[ #1*9^#2 (9^#2-1)&, 1, Range[ 20 ] ]

Crossrefs

Sequence in context: A008703 A135320 A135427 * A261815 A159440 A308586

Adjacent sequences: A028668 A028669 A028670 * A028672 A028673 A028674

Keyword

nonn

Author

Olivier Gérard

Status

approved