Number of nX3 0..6 arrays of the sum of the corresponding element, the element to the east and the element to the south in a larger (n+1)X4 0..2 array.

A229433

Number of nX3 0..6 arrays of the sum of the corresponding element, the element to the east and the element to the south in a larger (n+1)X4 0..2 array.

Terms

    a(0) =259a(1) =31111a(2) =2985887a(3) =262875231a(4) =22257074415

External references