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A004218 log_10 (n) rounded up. 5
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; internal format)
OFFSET

1,11

COMMENTS

a(n) is the number of elements in the sequence A011557 (Powers of 10) that are less than n. For n > 1, a(n) is the number of digits in n-1. - Tanya Khovanova (tanyakh(AT)yahoo.com), Jun 22 2007

CROSSREFS

Sequence in context: A044930 A032545 A113679 * A044931 A178487 A044932

Adjacent sequences:  A004215 A004216 A004217 * A004219 A004220 A004221

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 04:33 EST 2012. Contains 205978 sequences.