Number of prime juggling patterns of period n using 2 balls.

Terms

a(0) =1a(1) =2a(2) =5a(3) =10a(4) =23a(5) =48a(6) =105a(7) =216a(8) =467a(9) =958a(10) =2021a(11) =4146a(12) =8631a(13) =17604a(14) =36377a(15) =73876a(16) =151379a(17) =306882a(18) =625149a(19) =1263294a(20) =2563895a(21) =5169544a(22) =10454105a(23) =21046800a(24) =42451179a(25) =85334982a(26) =171799853a(27) =344952010a(28) =693368423a(29) =1391049900