225751domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of 7-step S, E, and NW-moving king's tours on an n X n board summed over all starting positions.at n=30A187512Primes p such that p^6 - p^5 + 1 and p^6 - p^5 - 1 are both primes.at n=28A243522Prime numbersat n=20084