291373domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes with d digits (d>0) which have more than 2d distinct primes as substrings.at n=23A168169Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.at n=16A305485Prime numbersat n=25340