Primes p such that there is no Carmichael number pqr, p<q<r q, r primes.

Terms

a(0) =2a(1) =11a(2) =197a(3) =1223a(4) =1487a(5) =4007a(6) =4547a(7) =7823a(8) =9833a(9) =9839a(10) =10259a(11) =11483a(12) =11807a(13) =11909a(14) =13259a(15) =13967a(16) =14207a(17) =15629a(18) =15803a(19) =16139a(20) =16889a(21) =18287a(22) =19583a(23) =22367a(24) =23039a(25) =23879a(26) =24359a(27) =25349a(28) =29339a(29) =30707