Quasi-Carmichael numbers to base 7: squarefree composites n such that (n,2*3*5) = 1 and prime p|n ==> p-7|n-7.

A029556

Quasi-Carmichael numbers to base 7: squarefree composites n such that (n,2*3*5) = 1 and prime p|n ==> p-7|n-7.

Terms

    a(0) =187a(1) =247a(2) =4807a(3) =12331a(4) =21307a(5) =32227a(6) =50167a(7) =61087a(8) =62647a(9) =82087a(10) =89947a(11) =101959a(12) =113839a(13) =118327a(14) =127303a(15) =137287a(16) =140767a(17) =141457a(18) =168199a(19) =187207a(20) =193591a(21) =214819a(22) =234247a(23) =235807a(24) =259207a(25) =283943a(26) =306907a(27) =358423a(28) =369799a(29) =396727

External references