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

A265957

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

Terms

    a(0) =5a(1) =235a(2) =2031a(3) =31940a(4) =1002328a(5) =17873307a(6) =329266534a(7) =7935241725a(8) =162833269398

External references