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A028671 Pseudo Galois numbers for d=9; order of group AGL(n,3^2). 1
1, 72, 466560, 247608990720, 10657130578027315200, 37158487365982254056334950400, 10494634615565778355427184150449750016000 (list; graph; refs; listen; history; text; internal format)
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

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Last modified May 26 17:16 EDT 2022. Contains 354092 sequences. (Running on oeis4.)