Pseudoprimes to base 18.

Terms

a(0) =25a(1) =49a(2) =65a(3) =85a(4) =133a(5) =221a(6) =323a(7) =325a(8) =343a(9) =425a(10) =451a(11) =637a(12) =931a(13) =1105a(14) =1225a(15) =1369a(16) =1387a(17) =1649a(18) =1729a(19) =1921a(20) =2149a(21) =2465a(22) =2701a(23) =2821a(24) =2825a(25) =2977a(26) =3325a(27) =4165a(28) =4577a(29) =4753