73883domain: NPropertiesPrimalityPrimeyesAppears in sequencesThe $620 prime list.at n=26A018188Primes having only {3, 7, 8} as digits.at n=41A260381Number of nX7 0..1 arrays with every element unequal to 0, 1, 2 or 3 king-move adjacent elements, with upper left element zero.at n=14A303726Prime numbersat n=7293