Pseudoprimes to base 80.

Terms

a(0) =9a(1) =27a(2) =49a(3) =81a(4) =169a(5) =237a(6) =301a(7) =333a(8) =481a(9) =553a(10) =561a(11) =637a(12) =711a(13) =891a(14) =1221a(15) =1377a(16) =1557a(17) =1729a(18) =1813a(19) =1891a(20) =2107a(21) =2133a(22) =2553a(23) =2821a(24) =2871a(25) =2997a(26) =3321a(27) =3397a(28) =3439a(29) =3537