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A093847
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First column of triangle A093846.
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5
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9, 54, 399, 3249, 27999, 249999, 2285713, 21249999, 199999999, 1899999999, 18181818180, 174999999999, 1692307692306, 16428571428570, 159999999999999, 1562499999999999, 15294117647058822, 149999999999999999
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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FORMULA
| a(n) = 10^(n-1)-1+floor(9*10^(n-1)/n) = A093846(n, 1). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 23 2006
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MAPLE
| A093847 := proc(n) RETURN (10^(n-1)-1+floor(9*(10^(n-1)/n))); end; for n from 1 to 20 do printf("%d, ", A093847(n)); od; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 23 2006
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MATHEMATICA
| Table[10^(n-1)-1+Floor[9 10^(n-1)/n], {n, 20}] (* From Harvey P. Dale, Oct 21 2011 *)
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CROSSREFS
| Cf. A093846.
Sequence in context: A115784 A037599 A037704 * A157539 A205814 A157546
Adjacent sequences: A093844 A093845 A093846 * A093848 A093849 A093850
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KEYWORD
| base,easy,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 18 2004
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EXTENSIONS
| More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 23 2006
Edited by David Wasserman (dwasserm(AT)earthlink.net), Mar 26 2007
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