Number of times the digit 9 appears in the first 10^n digits of Pi after the decimal point.

A099300

Number of times the digit 9 appears in the first 10^n digits of Pi after the decimal point.

Terms

    a(0) =1a(1) =14a(2) =106a(3) =1014a(4) =9902a(5) =100106a(6) =1000040a(7) =9999521a(8) =100000273a(9) =1000036012a(10) =9999956635a(11) =99999854780

External references