id:A004216 - OEIS Search Results

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log_10 (n) rounded down.

+0
16

0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2 (list; graph; listen)

	OFFSET	`1,100`
	FORMULA	`a(n) = if n > 9 then a(floor(n / 10)) + 1 else 0. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 31 2001`
	CROSSREFS	`Adjacent sequences: A004213 A004214 A004215 this_sequence A004217 A004218 A004219` `Sequence in context: A133563 A104518 A114295 this_sequence A076489 A127322 A027354`
	KEYWORD	`nonn`
	AUTHOR	`njas`
	EXTENSIONS	`More terms from James A. Sellers (sellersj(AT)math.psu.edu), Sep 19 2000`

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

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