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#12 by Bruno Berselli at Sun Dec 30 02:00:31 EST 2012
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#11 by Bruno Berselli at Sun Dec 30 02:00:24 EST 2012
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| FORMULA
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a(n) = d^n* * product(d^n- - d^k, k=0..n-1).
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| STATUS
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reviewed
editing
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#10 by Bruno Berselli at Sun Dec 30 01:51:10 EST 2012
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#9 by Bruno Berselli at Sun Dec 30 01:51:06 EST 2012
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#8 by Bruno Berselli at Sun Dec 30 01:50:48 EST 2012
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| FORMULA
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a(n) = pd^n Product (p*product(d^n - p-d^k) for , k=0 to ..n-1).
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| STATUS
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proposed
editing
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#7 by Vincenzo Librandi at Sat Dec 29 13:03:39 EST 2012
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#6 by Vincenzo Librandi at Sat Dec 29 13:03:33 EST 2012
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| LINKS
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Vincenzo Librandi, <a href="/A028683/b028683.txt">Table of n, a(n) for n = 0..27</a>
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| STATUS
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approved
editing
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#5 by Russ Cox at Fri Mar 30 17:20:44 EDT 2012
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Discussion
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| Fri Mar 30
| 17:20
| OEIS Server: https://oeis.org/edit/global/117
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#4 by N. J. A. Sloane at Fri Jan 09 03:00:00 EST 2009
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| KEYWORD
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nonn,new
nonn
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| AUTHOR
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Olivier Gerard (ogerardolivier.gerard(AT)ext.jussieugmail.frcom)
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#3 by N. J. A. Sloane at Fri Feb 24 03:00:00 EST 2006
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| MATHEMATICA
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FoldList[ #1*21^#2 (21^#2-1)&, )&, 1, , Range[ 20 ] ]
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| KEYWORD
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nonn,new
nonn
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