Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 5.
A073561
Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 5.
Terms
- a(0) =2a(1) =8a(2) =80a(3) =792a(4) =7918a(5) =79182a(6) =791817a(7) =7918132a(8) =79181254a(9) =791812468a(10) =7918124617
External references
- oeis: A073561