81612105domain: NAppears in sequencesFermat pseudoprimes to base 2 divisible by 15.at n=28A216364Pseudoprimes n to base 2 such that n+2 and n+4 are primes.at n=5A230489Smallest sets of 3 consecutive odd numbers that are primes or pseudoprimes (base 2). The initial odd number is listed.at n=27A230808