Strong pseudoprimes to base 69.

Terms

a(0) =35a(1) =91a(2) =133a(3) =247a(4) =361a(5) =1387a(6) =1729a(7) =2527a(8) =3605a(9) =4693a(10) =5713a(11) =6161a(12) =6643a(13) =8911a(14) =10349a(15) =18721a(16) =20591a(17) =26281a(18) =26353a(19) =32851a(20) =33355a(21) =38503a(22) =40501a(23) =49729a(24) =51961a(25) =52633a(26) =54913a(27) =57421a(28) =64907a(29) =69049