Quasi-Carmichael numbers to base -7: squarefree composites n such that prime p|n ==> p+7|n+7.

Terms

a(0) =273a(1) =2093a(2) =2387a(3) =2585a(4) =6545a(5) =7553a(6) =11433a(7) =11753a(8) =16653a(9) =19865a(10) =33473a(11) =34265a(12) =35105a(13) =37433a(14) =53345a(15) =72065a(16) =88193a(17) =99209a(18) =120089a(19) =124733a(20) =136793a(21) =149753a(22) =155873a(23) =158723a(24) =159581a(25) =164423a(26) =198653a(27) =203573a(28) =232193a(29) =257033