Number of nX3 0..3 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other.

A203250

Number of nX3 0..3 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other.

Terms

    a(0) =48a(1) =12a(2) =680a(3) =18440a(4) =62512a(5) =1282126a(6) =178938580a(7) =3036458924a(8) =4159465756

External references