Strong pseudoprimes to base 2 and 5.

Terms

a(0) =1907851a(1) =4181921a(2) =4469471a(3) =5256091a(4) =9006401a(5) =9863461a(6) =14709241a(7) =25326001a(8) =40987201a(9) =55729957a(10) =58449847a(11) =67194401a(12) =94502701a(13) =100618933a(14) =109437751a(15) =114305441a(16) =133800661a(17) =135969401a(18) =147028001a(19) =153928133a(20) =161304001a(21) =192857761a(22) =196049701a(23) =213035761a(24) =226359547a(25) =245950561