Composite numbers k such that 2^k-2 and 3^k-3 are both divisible by k and k is not a Carmichael number (A002997).
A153513
Composite numbers k such that 2^k-2 and 3^k-3 are both divisible by k and k is not a Carmichael number (A002997).
Terms
- a(0) =2701a(1) =18721a(2) =31621a(3) =49141a(4) =83333a(5) =83665a(6) =88561a(7) =90751a(8) =93961a(9) =104653a(10) =107185a(11) =176149a(12) =204001a(13) =226801a(14) =228241a(15) =276013a(16) =282133a(17) =534061a(18) =563473a(19) =574561a(20) =622909a(21) =653333a(22) =665281
External references
- oeis: A153513