Strong pseudoprimes to base 16.

Terms

a(0) =15a(1) =91a(2) =341a(3) =435a(4) =451a(5) =645a(6) =703a(7) =1247a(8) =1271a(9) =1387a(10) =1695a(11) =1729a(12) =1891a(13) =1905a(14) =2047a(15) =2071a(16) =2701a(17) =2821a(18) =3277a(19) =3367a(20) =3683a(21) =4033a(22) =4371a(23) =4681a(24) =4795a(25) =4859a(26) =5461a(27) =5551a(28) =6601a(29) =6643