Pseudoprimes to bases 2,3,5 and 7 which are not Carmichael numbers (A002997).

Terms

a(0) =721801a(1) =8646121a(2) =10403641a(3) =22885129a(4) =36307981a(5) =42702661a(6) =46094401a(7) =48064021a(8) =52204237a(9) =79398901a(10) =80918281a(11) =81954133a(12) =114329881a(13) =116151661a(14) =143168581a(15) =170782921a(16) =188985961a(17) =217145881a(18) =220531501a(19) =282707461a(20) =299671921a(21) =303373801a(22) =326695141a(23) =353815801a(24) =361307521