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A028669 Galois numbers for p=7; order of group AGL(n,7). 0
1, 42, 98784, 11587955904, 66774437101209600, 18861003469034659931443200, 261058346935768909875766027257446400, 177055579258883302762565632026325003745732198400 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

FORMULA

a(n) = p^n Product (p^n - p^k) for k=0 to n-1

MATHEMATICA

FoldList[ #1*7^#2 (7^#2-1)&, 1, Range[ 20 ] ]

CROSSREFS

Sequence in context: A159433 A135314 A135425 * A147687 A152508 A070177

Adjacent sequences:  A028666 A028667 A028668 * A028670 A028671 A028672

KEYWORD

nonn

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.