4897161361domain: NAppears in sequencesCarmichael numbers k that satisfy 2^d == 2^(k/d) (mod k) for all d|k and are not Super-Poulet numbers (A050217).at n=18A291612Carmichael numbers k such that 2^d == 2^(k/d) (mod k) for all d|k.at n=22A291616