login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A028665 Galois numbers for p=3; order of group AGL(n,3). 3
1, 6, 432, 303264, 1965150720, 115562653240320, 61330486826476707840, 293207687471256968260730880, 12619705781992895315056778792140800, 4888884191426907931326620039839052385484800 (list; graph; refs; listen; history; text; internal format)
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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 9 09:43 EDT 2022. Contains 356021 sequences. (Running on oeis4.)