Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 9.
A073565
Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 9.
Terms
- a(0) =0a(1) =4a(2) =45a(3) =456a(4) =4575a(5) =45758a(6) =457571a(7) =4575752a(8) =45757486a(9) =457574900a(10) =4575749050
External references
- oeis: A073565