Period of the n-th convergent to the continued fraction expansion of Pi.

Terms

a(0) =1a(1) =6a(2) =13a(3) =112a(4) =51a(5) =24a(6) =15088a(7) =12284a(8) =88460a(9) =1204a(10) =459a(11) =31824a(12) =93210a(13) =1864254a(14) =531648a(15) =456036a(16) =8299090a(17) =28574910a(18) =1813560a(19) =32552820a(20) =33166008a(21) =133585180a(22) =2503410a(23) =214098720a(24) =3183870690a(28) =175964053944