Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A238143
Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =94458a(1) =3817216a(2) =160133604a(3) =6863396252a(4) =292335443616
External references
- oeis: A238143