Number of times the digit 4 appears in the first 10^n digits of Catalan's constant.

A224717

Number of times the digit 4 appears in the first 10^n digits of Catalan's constant.

Terms

    a(0) =1a(1) =11a(2) =107a(3) =961a(4) =10051a(5) =100074a(6) =1000165a(7) =9995377a(8) =100001871

External references