Number of n X 3 0..3 arrays with some element plus some horizontally or vertically adjacent neighbor totalling three exactly once.

A269092

Number of n X 3 0..3 arrays with some element plus some horizontally or vertically adjacent neighbor totalling three exactly once.

Terms

    a(0) =24a(1) =1152a(2) =31296a(3) =715320a(4) =15024096a(5) =300056400a(6) =5795398368a(7) =109294975080

External references