Number of n X 2 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) X 3 0..2 array.

A229432

Number of n X 2 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) X 3 0..2 array.