Fermat pseudoprimes to base 2 with three prime factors.

Terms

a(0) =561a(1) =645a(2) =1105a(3) =1729a(4) =1905a(5) =2465a(6) =2821a(7) =4371a(8) =6601a(9) =8481a(10) =8911a(11) =10585a(12) =12801a(13) =13741a(14) =13981a(15) =15841a(16) =16705a(17) =25761a(18) =29341a(19) =30121a(20) =30889a(21) =33153a(22) =34945a(23) =41665a(24) =46657a(25) =52633a(26) =57421a(27) =68101a(28) =74665a(29) =83665