Number of (n+1)X(4+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal.
A237207
Number of (n+1)X(4+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal.
Terms
- a(0) =24478a(1) =472096a(2) =8448682a(3) =185371924a(4) =3917422192a(5) =89734494932
External references
- oeis: A237207