Number of (n+1) X (4+1) 0..2 arrays with every element both >= and <= some horizontal or vertical neighbor.
A232120
Number of (n+1) X (4+1) 0..2 arrays with every element both >= and <= some horizontal or vertical neighbor.
Terms
- a(0) =3635a(1) =411015a(2) =44229031a(3) =4894583715a(4) =539351064745
External references
- oeis: A232120