T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or vertically.

A233488

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or vertically.

Terms

    a(0) =172952a(1) =8254896a(2) =8254896a(3) =386906152a(4) =1328621536a(5) =386906152a(6) =18116531520a(7) =208066125583a(8) =208066125583a(9) =18116531520a(10) =846914338316a(14) =846914338316

External references