7710244864domain: NAppears in sequencesa(1)=2, a(n+1) = a(n)*A010888(a(n)).at n=14A110365Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the upper median plus the lower median plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=14A237368