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A066558
a(n) = A066557(n)/n.
4
9, 49, 333, 2499, 19999, 166666, 1428571, 12499999, 111111111, 999999999, 9090909090, 83333333333, 769230769230, 7142857142857, 66666666666666, 624999999999999, 5882352941176470, 55555555555555555, 526315789473684210
OFFSET
1,1
LINKS
FORMULA
a(n) = floor((10^n-1)/n).
PROG
(PARI) { for (n=1, 150, write("b066558.txt", n, " ", floor((10^n - 1)/n)) ) } \\ Harry J. Smith, Feb 22 2010
CROSSREFS
Sequence in context: A069665 A188235 A286810 * A168597 A169724 A135625
KEYWORD
nonn,base
AUTHOR
Amarnath Murthy, Dec 17 2001
EXTENSIONS
More terms and formula from Francisco Salinas (franciscodesalinas(AT)hotmail.com), Dec 24 2001
STATUS
approved