This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A138468 Number of even digits in Fibonacci numbers. 1
 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 2, 1, 0, 3, 2, 2, 3, 0, 3, 4, 2, 1, 3, 1, 3, 5, 4, 3, 3, 4, 4, 3, 3, 4, 5, 3, 4, 5, 4, 4, 3, 3, 3, 6, 5, 7, 6, 5, 2, 6, 6, 4, 6, 5, 8, 7, 6, 5, 6, 7, 5, 7, 7, 9, 8, 5, 7, 9, 5, 8, 7, 10, 6, 8, 11, 11, 8, 5, 5, 12, 7, 10, 9, 8, 7, 12, 11, 11, 11, 11, 9, 12 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,13 COMMENTS Zero is counted as an even digit. LINKS Robert Israel, Table of n, a(n) for n = 0..10000 Ron Knott, The Fibonacci Numbers. FORMULA a(n) = A060384(n) - A136610(n). - Robert Israel, May 25 2017 EXAMPLE The Fibonacci number 2584 has three even digits in it, so a(18) = 3. CROSSREFS Cf. A000045, A060384, A136610. Sequence in context: A025672 A025665 A025841 * A029296 A096419 A283616 Adjacent sequences:  A138465 A138466 A138467 * A138469 A138470 A138471 KEYWORD nonn,base,less AUTHOR Parthasarathy Nambi, May 18 2008 EXTENSIONS a(0) corrected, and more terms from Robert Israel, May 25 2017 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
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 20 14:40 EDT 2019. Contains 328267 sequences. (Running on oeis4.)