Number of (n+2)X(5+2) nonnegative integer arrays with all values the knight distance from the upper left minus as much as 3, with successive minimum path knight move differences either 0 or +1, and any unreachable value zero.

A253339

Number of (n+2)X(5+2) nonnegative integer arrays with all values the knight distance from the upper left minus as much as 3, with successive minimum path knight move differences either 0 or +1, and any unreachable value zero.

Terms

    a(0) =27015a(1) =306822a(2) =5136108a(3) =65795210a(4) =900035309a(5) =11880244815a(6) =143441370184

External references