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A105512 Number of times 2 is the leading digit of the first n+1 Fibonacci numbers in decimal representation. 9
0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 16, 16 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,9

COMMENTS

a(n) = #{k: A008963(k) = 2 and 0<=k<=n};

a(A105502(n)) = a(A105502(n) - 1) + 1;

n = A105511(n) + a(n) + A105513(n) + A105514(n) + A105515(n) + A105516(n) + A105517(n) + A105518(n) + A105519(n).

LINKS

Table of n, a(n) for n=0..86.

CROSSREFS

Cf. A000030, A000045.

Sequence in context: A104355 A235402 A092278 * A301506 A002266 A075249

Adjacent sequences: A105509 A105510 A105511 * A105513 A105514 A105515

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Apr 11 2005

STATUS

approved

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Last modified December 7 15:01 EST 2022. Contains 358667 sequences. (Running on oeis4.)