Number of times n appears among the decimal digits of (n!)!.

A078670

Number of times n appears among the decimal digits of (n!)!.

Terms

    a(0) =1a(1) =1a(2) =0a(3) =4a(4) =21a(5) =169a(6) =1504a(7) =15755a(8) =177333a(9) =213789

External references