Number of nX3 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors less than or equal to itself.

A265962

Number of nX3 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors less than or equal to itself.

Terms

    a(0) =2a(1) =50a(2) =150a(3) =5582a(4) =59454a(5) =809199a(6) =12253344a(7) =172499046a(8) =2472824902a(9) =35500451150a(10) =508045097098

External references