150846961domain: NAppears in sequencesCarmichael numbers n such that n-1 is not a practical number.at n=16A265827Carmichael numbers k that satisfy 2^d == 2^(k/d) (mod k) for all d|k and are not Super-Poulet numbers (A050217).at n=5A291612Carmichael numbers k such that 2^d == 2^(k/d) (mod k) for all d|k.at n=6A291616