login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A028672 Pseudo Galois numbers for d=10. 1
1, 90, 891000, 890109000000, 89001998910000000000, 890011088900109000000000000000, 890010198889020099891000000000000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..31

FORMULA

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

MATHEMATICA

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

CROSSREFS

Sequence in context: A066784 A135321 A135428 * A172650 A252093 A172756

Adjacent sequences:  A028669 A028670 A028671 * A028673 A028674 A028675

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 22 08:25 EDT 2019. Contains 322329 sequences. (Running on oeis4.)