Quasi-Carmichael numbers to base 3: squarefree composites n such that prime p|n ==> p-3|n-3.

Terms

a(0) =35a(1) =1295a(2) =2635a(3) =6083a(4) =6923a(5) =7315a(6) =7843a(7) =13363a(8) =24335a(9) =25795a(10) =26243a(11) =29795a(12) =31003a(13) =43043a(14) =44099a(15) =49283a(16) =50435a(17) =54131a(18) =115843a(19) =138043a(20) =147223a(21) =191843a(22) =234883a(23) =254467a(24) =388433a(25) =471523a(26) =472739a(27) =544643a(28) =618103a(29) =631123