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A105511 Number of times 1 is the leading digit of the first n+1 Fibonacci numbers in decimal representation. 10
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; text; 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).

LINKS

Table of n, a(n) for n=0..79.

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, Apr 11 2005

STATUS

approved

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Last modified December 9 06:44 EST 2016. Contains 278963 sequences.