Carmichael numbers that have only prime divisors of the form 10k+1.

Terms

a(0) =252601a(1) =399001a(2) =512461a(3) =852841a(4) =1193221a(5) =1857241a(6) =1909001a(7) =2100901a(8) =3828001a(9) =5049001a(10) =5148001a(11) =5481451a(12) =6189121a(13) =7519441a(14) =8341201a(15) =9439201a(16) =10024561a(17) =10837321a(18) =14676481a(19) =15247621a(20) =17236801a(21) =27062101a(22) =29111881a(23) =31405501a(24) =33302401a(25) =34657141a(26) =40430401a(27) =42490801