148340592400domain: NAppears in sequencesa(n) = least common multiple of {1, 4, 7, 10, 13 ..., 3n+1} (A016777).at n=12A051536a(n) = least common multiple of {1, 4, 7, 10, 13 ..., 3n+1} (A016777).at n=13A051536