858707domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-0100-0111-0001 pattern in any orientation.at n=15A147194The least odd prime leaving a prime remainder when divided by each of the first n odd primes.at n=11A275629Prime numbersat n=68248