Number of (n+1) X (6+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).

A235308

Number of (n+1) X (6+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).

Terms

    a(0) =12018a(1) =18662a(2) =27602a(3) =49574a(4) =83394a(5) =168998a(6) =319826a(7) =711206a(8) =1486338a(9) =3544742a(10) =8011922a(11) =20148134a(12) =48342594a(13) =126648998a(14) =317958866a(15) =860180006a(16) =2235976578a(17) =6204457382a(18) =16571892242a(19) =46910749094a(20) =128009555394a(21) =368013490598

External references