T(n,k) is the number of (n+1) X (k+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

A235248

T(n,k) is the number of (n+1) X (k+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

Terms

    a(0) =210a(1) =906a(2) =906a(3) =3746a(4) =3146a(5) =3746a(6) =16150a(7) =10866a(8) =10866a(9) =16150a(10) =66874a(11) =41246a(12) =31858a(13) =41246a(14) =66874a(15) =288510a(16) =152178a(17) =108374a(18) =108374a(19) =152178a(20) =288510a(21) =1195458a(22) =599342a(23) =359962a(24) =338282a(25) =359962a(26) =599342a(27) =1195458a(28) =5161934a(29) =2282514

External references