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 (constant-stress 1 X 1 tilings).

A234712

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 (constant-stress 1 X 1 tilings).

Terms

    a(0) =322a(1) =1730a(2) =1730a(3) =8738a(4) =7154a(5) =8738a(6) =47306a(7) =28170a(8) =28170a(9) =47306a(10) =239890a(11) =127586a(12) =87698a(13) =127586a(14) =239890a(15) =1308890a(16) =546362a(17) =334938a(18) =334938a(19) =546362a(20) =1308890a(21) =6664130a(22) =2630882a(23) =1224482a(24) =1108418a(25) =1224482a(26) =2630882a(27) =6664130a(28) =36647114a(29) =11903466

External references