Number of (n+1)X(2+1) 0..2 arrays with every element both >= and <= some horizontal, vertical or antidiagonal neighbor.
A232198
Number of (n+1)X(2+1) 0..2 arrays with every element both >= and <= some horizontal, vertical or antidiagonal neighbor.
Terms
- a(0) =109a(1) =2129a(2) =39651a(3) =745157a(4) =14015499a(5) =263553379a(6) =4955798535a(7) =93188421223
External references
- oeis: A232198