75211domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p giving prime quadruples (30p+11, 30p+13, 30p+17, 30p+19).at n=31A087771Primes of the form floor(k+A000217(k-1)*Pi), Pi = A000796, k integer.at n=34A163580a(n) = Sum_{k=0..n} (-1)^(n-k)*floor(sqrt(Bell(k))).at n=16A192572Prime numbersat n=7411