Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally, vertically and nw-se diagonally.
A253657
Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally, vertically and nw-se diagonally.
Terms
- a(0) =3550a(1) =25062a(2) =241548a(3) =2113406a(4) =17719343a(5) =152352910a(6) =1302707432a(7) =11094507660a(8) =94827318012a(9) =808751503976
External references
- oeis: A253657