Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock equal.

A236792

Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock equal.

Terms

    a(0) =255a(1) =1231a(2) =6217a(3) =34163a(4) =191657a(5) =1116735a(6) =6597729a(7) =39752795a(8) =241456349a(9) =1481423855a(10) =9128173539a(11) =56528510141a(12) =350835283263

External references