Strong pseudoprimes to base 18.

Terms

a(0) =25a(1) =49a(2) =65a(3) =325a(4) =343a(5) =1369a(6) =1387a(7) =2977a(8) =4577a(9) =5725a(10) =5833a(11) =5941a(12) =6601a(13) =11425a(14) =12025a(15) =18631a(16) =22411a(17) =28153a(18) =29341a(19) =30889a(20) =35425a(21) =39817a(22) =40501a(23) =41159a(24) =49141a(25) =60685a(26) =60691a(27) =74425a(28) =80137a(29) =90751