Number of decimal digits in the 10^n-th Motzkin number.

A114473

Number of decimal digits in the 10^n-th Motzkin number.

Terms

    a(0) =1a(1) =4a(2) =45a(3) =473a(4) =4766a(5) =47705a(6) =477113a(7) =4771203

External references