Pseudoprimes to bases 2,3 and 7.

Terms

a(0) =1105a(1) =2465a(2) =10585a(3) =18721a(4) =29341a(5) =46657a(6) =75361a(7) =104653a(8) =115921a(9) =162401a(10) =226801a(11) =252601a(12) =278545a(13) =294409a(14) =314821a(15) =334153a(16) =340561a(17) =399001a(18) =410041a(19) =449065a(20) =488881a(21) =512461a(22) =530881a(23) =534061a(24) =552721a(25) =574561a(26) =658801a(27) =721801a(28) =852841a(29) =1024651