Number of (n+1)X(2+1) 0..3 arrays with the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237968
Number of (n+1)X(2+1) 0..3 arrays with the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =1494a(1) =10014a(2) =59014a(3) =357672a(4) =2270776a(5) =14222512a(6) =88114176a(7) =550642732a(8) =3451069630a(9) =21560822458a(10) =134629301012a(11) =841895591970
External references
- oeis: A237968