Number of 5Xn 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, diagonally or antidiagonally.

A232924

Number of 5Xn 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, diagonally or antidiagonally.

Terms

    a(0) =243a(1) =486a(2) =5118a(3) =37008a(4) =316800a(5) =2515716a(6) =20706696a(7) =167584476a(8) =1367432712a(9) =11114122476a(10) =90504770460a(11) =736322452020

External references