Prime sieve of Pi.

Terms

a(0) =1a(1) =9a(2) =6a(3) =5a(4) =93a(5) =84626a(6) =3a(7) =2a(8) =502884a(9) =69399a(10) =5105820a(11) =4944a(12) =2a(13) =816406286a(14) =986a(15) =4825342a(16) =70a(17) =9a(18) =480865a(19) =2a(20) =66a(21) =93a(22) =55058a(23) =25a(24) =4081284a(25) =174a(26) =270a(27) =85a(28) =555964462a(29) =4895