Strong pseudoprimes to bases 3 and 5.

Terms

a(0) =112141a(1) =432821a(2) =1024651a(3) =1563151a(4) =1627921a(5) =3543121a(6) =4291801a(7) =5481451a(8) =8595361a(9) =9780409a(10) =10679131a(11) =11407441a(12) =18790021a(13) =21397381a(14) =22369621a(15) =25326001a(16) =27012001a(17) =32817151a(18) =33796531a(19) =35798491a(20) =42149971a(21) =48064021a(22) =67680491a(23) =99809051a(24) =116151661a(25) =118846151a(26) =129762001