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A028672 Pseudo Galois numbers for d=10. +0
1
1, 90, 891000, 890109000000, 89001998910000000000, 890011088900109000000000000000, 890010198889020099891000000000000000000000 (list; graph; listen)
OFFSET

0,2

FORMULA

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

MATHEMATICA

FoldList[ #1*10^#2 (10^#2-1)&, 1, Range[ 20 ] ]

CROSSREFS

Sequence in context: A066784 A135321 A135428 this_sequence A119656 A033411 A087411

Adjacent sequences: A028669 A028670 A028671 this_sequence A028673 A028674 A028675

KEYWORD

nonn

AUTHOR

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

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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