144341domain: NPropertiesPrimalityPrimeyesAppears in sequencesGeneralized Pellian with second term equal to 10.at n=12A048697Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 11011-01110-00100 pattern in any orientation.at n=13A147484Least prime factor of 44745755^4*2^(4n+2) + 1.at n=14A336347Prime numbersat n=13369