id:A004218 - OEIS Search Results

Search: id:A004218

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log_10 (n) rounded up.

+0
4

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; listen)

	OFFSET	`1,11`
	COMMENT	`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 this_sequence A044931 A044932 A065687` `Adjacent sequences: A004215 A004216 A004217 this_sequence A004219 A004220 A004221`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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