Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 3.

A073559

Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 3.

Terms

    a(0) =2a(1) =13a(2) =125a(3) =1250a(4) =12494a(5) =124939a(6) =1249382a(7) =12493871a(8) =124938730a(9) =1249387361a(10) =12493873656

External references