951390domain: NAppears in sequencesa(n) = n + (n+1)^2 + (n+2)^3 + (n+3)^4.at n=28A027621Number of (n+1) X 4 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly one clockwise edge increases.at n=16A207045