Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 2.

A073558

Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 2.

Terms

    a(0) =2a(1) =18a(2) =177a(3) =1762a(4) =17610a(5) =176092a(6) =1760918a(7) =17609129a(8) =176091265a(9) =1760912596a(10) =17609125912

External references