26474581domain: NAppears in sequencesCarmichael numbers divisible by a smaller Carmichael number.at n=14A214758Fermat pseudoprimes to base 2 of the form (p^2 + 2*p)/3, where p is also a Fermat pseudoprime to base 2.at n=4A216276Carmichael numbers all of whose prime factors are congruent to 3 modulo 4.at n=10A329468