"Strong impostors" not divisible by 4: Those numbers s !== 0 (mod 4) such that lambda(s) | 2(s-1), where lambda is the Carmichael function (A002322).

A318555

"Strong impostors" not divisible by 4: Those numbers s !== 0 (mod 4) such that lambda(s) | 2(s-1), where lambda is the Carmichael function (A002322).

Terms

    a(0) =6a(1) =15a(2) =66a(3) =91a(4) =435a(5) =561a(6) =703a(7) =946a(8) =1105a(9) =1729a(10) =1891a(11) =2465a(12) =2701a(13) =2821a(14) =2926a(15) =3367a(16) =5551a(17) =6601a(18) =8646a(19) =8695a(20) =8911a(21) =10585a(22) =11305a(23) =12403a(24) =13981a(25) =15051a(26) =15841a(27) =16471a(28) =18721a(29) =23001

External references