a(n) is the starting position of the first occurrence of a string of n 9's in the decimal expansion of 2*Pi.
A243955
a(n) is the starting position of the first occurrence of a string of n 9's in the decimal expansion of 2*Pi.
Terms
- a(0) =12a(1) =79a(2) =761a(3) =761a(4) =761a(5) =761a(6) =761a(7) =36356642a(8) =1068822186
External references
- oeis: A243955