A085858 Number of 4's in decimal expansion of Fibonacci(n).

0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 4, 1, 1, 0, 0, 1, 2, 0, 1, 0, 0, 0, 2, 1, 1, 0, 1, 1, 1, 1, 2, 0, 0, 0, 3, 3, 2, 1, 0, 4, 1, 3, 1, 3, 1, 5, 4, 3, 1, 0, 3, 1, 1, 3, 0, 0, 3, 1, 2, 5, 1, 2, 4, 1, 4, 4, 1, 3, 4, 0, 0, 2

Offset: 0

Author

Jason Earls, Jul 06 2003

Keywords

• base
• nonn

Crossrefs

Cf. 0's A085854, 1's A085855, 2's A085856, 3's A085857, 5's A085859, 6's A085860, 7's A085861, 8's A085862, 9's A085863.

Programs

Mathematica

DigitCount[Fibonacci[Range[0,110]],10,4] (* Harvey P. Dale, May 02 2011 *)