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A061772
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Number of n-digit multiples of n.
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4
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10, 45, 300, 2250, 18000, 150000, 1285714, 11250000, 100000000, 900000000, 8181818181, 75000000000, 692307692307, 6428571428571, 60000000000000, 562500000000000, 5294117647058824
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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FORMULA
| a(n) = floor [{9*10^(n-1}/n] or floor [{9*10^(n-1)}/n] + 1.
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EXAMPLE
| a(3) = 300 as there are 300 3-digit numbers divisible by 3, 102 to 999.
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CROSSREFS
| Sequence in context: A175705 A143671 A141499 * A032165 A124174 A188699
Adjacent sequences: A061769 A061770 A061771 * A061773 A061774 A061775
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KEYWORD
| nonn,base,easy
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 23 2001
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EXTENSIONS
| More terms from Jason Earls (zevi_35711(AT)yahoo.com), May 26 2001
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