Fermat pseudoprimes to base 2 with two prime factors.

Terms

a(0) =341a(1) =1387a(2) =2047a(3) =2701a(4) =3277a(5) =4033a(6) =4369a(7) =4681a(8) =5461a(9) =7957a(10) =8321a(11) =10261a(12) =13747a(13) =14491a(14) =15709a(15) =18721a(16) =19951a(17) =23377a(18) =31417a(19) =31609a(20) =31621a(21) =35333a(22) =42799a(23) =49141a(24) =49981a(25) =60701a(26) =60787a(27) =65077a(28) =65281a(29) =80581