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A110803
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n times the number of digits in n.
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0
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1, 2, 3, 4, 5, 6, 7, 8, 9, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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EXAMPLE
| a(1234) = 4936 = 1234*4.
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MATHEMATICA
| # IntegerLength[#]&/@Range[60] (* From Harvey P. Dale, Mar 4 2011 *)
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CROSSREFS
| Sequence in context: A140281 A039077 A052383 * A109795 A132029 A122619
Adjacent sequences: A110800 A110801 A110802 * A110804 A110805 A110806
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KEYWORD
| base,easy,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 14 2005
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EXTENSIONS
| Corrected by T. D. Noe (noe(AT)sspectra.com), Oct 25 2006
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