Pierce expansion of 1 to the base Pi.

Terms

a(0) =3a(1) =69a(2) =310a(3) =1017a(4) =36745a(5) =214369a(6) =966652a(7) =11159821a(8) =74039764a(9) =550021544a(10) =4481549430a(11) =16543857917a(12) =87205978613a(13) =476981856953