Pierce expansion of 2/Pi.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =10a(5) =71a(6) =868a(7) =1788a(8) =7455a(9) =44266a(10) =54626a(11) =74153a(12) =224166a(13) =390471a(14) =1489304a(15) =3737961a(16) =22277163a(17) =37201631a(18) =113275744a(19) =165029426a(20) =2642368758a(21) =3362202939a(22) =5191046363a(23) =8438525012a(24) =36226438506a(25) =40174126779a(26) =125336047846a(27) =531802867080a(28) =599020778171