A028685 - OEIS

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A028685

Galois numbers for p=23; order of group AGL(n,23).

1

1, 506, 141331872, 20920469730667584, 1638296742744745305180456960, 67868907839960050279986415163868117749760, 1487321615877089920298398794877451264100990832314711736320

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..26

FORMULA

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

MATHEMATICA

FoldList[ #1*23^#2 (23^#2-1)&, 1, Range[ 20 ] ]

CROSSREFS

Sequence in context: A204946 A023913 A035848 * A152524 A236004 A024019

Adjacent sequences: A028682 A028683 A028684 * A028686 A028687 A028688

KEYWORD

nonn

AUTHOR

Olivier Gérard

STATUS

approved