login
This site is supported by donations to The OEIS Foundation.

 

Logo

"Email this user" was broken Aug 14 to 9am Aug 16. If you sent someone a message in this period, please send it again.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A105516 Number of times 6 is the leading digit of the first n+1 Fibonacci numbers in decimal representation. 9
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,21

COMMENTS

a(n) = #{k: A008963(k) = 6 and 0<=k<=n};

a(A105506(n)) = a(A105506(n) - 1) + 1;

n = A105511(n) + A105512(n) + A105513(n) + A105514(n) + A105515(n) + a(n) + A105517(n) + A105518(n) + A105519(n).

LINKS

Table of n, a(n) for n=0..104.

MATHEMATICA

Prepend[Accumulate[If[First[IntegerDigits[#]]==6, 1, 0]&/@Fibonacci[Range[110]]], 0]  {* From Harvey P. Dale, Feb 18 2011 *)

CROSSREFS

Cf. A000030, A000045.

Sequence in context: A194334 A242259 A048766 * A105518 A111896 A105515

Adjacent sequences:  A105513 A105514 A105515 * A105517 A105518 A105519

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Apr 11 2005

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified August 17 11:34 EDT 2017. Contains 290635 sequences.