A105511 - OEIS

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A105511

Number of times 1 is the leading digit of the first n+1 Fibonacci numbers in decimal representation.

0, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 7, 7, 7, 7, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 11, 12, 13, 13, 13, 13, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 19, 20, 20, 20, 20, 21, 22, 22, 22, 22, 23, 23, 23, 23, 23, 24 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	COMMENTS	`a(n) = #{k: A008963(k) = 1 and 0<=k<=n};` `a(A105501(n)) = a(A105501(n) - 1) + 1;` `n = a(n) + A105512(n) + A105513(n) + A105514(n) + A105515(n) + A105516(n) + A105517(n) + A105518(n) + A105519(n).`
	CROSSREFS	`Cf. A000030, A000045, A105501.` `Sequence in context: A075249 A008648 A154099 * A187183 A027868 A060384` `Adjacent sequences: A105508 A105509 A105510 * A105512 A105513 A105514`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 11 2005`

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Last modified February 16 01:31 EST 2012. Contains 205860 sequences.