186247domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that p+-1, p+-2 and p+-3 are not squarefree.at n=1A166003Primes of the form 5*k^2 + 2, k >= 0.at n=25A201481Squarefree numbers differing by more than 3 from any other squarefree number.at n=15A268332Prime numbersat n=16860