Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237696
Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =81a(1) =310a(2) =1186a(3) =4700a(4) =18612a(5) =73176a(6) =287924a(7) =1136084a(8) =4482952a(9) =17653056a(10) =69546776a(11) =274191240a(12) =1081253560a(13) =4259811632a(14) =16788534672a(15) =66170693936a(16) =260880060656
External references
- oeis: A237696