Number of (n+1) X (6+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

A235015

Number of (n+1) X (6+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

Terms

    a(0) =4456a(1) =6088a(2) =8760a(3) =13912a(4) =23016a(5) =40968a(6) =74888a(7) =144184a(8) =283832a(9) =581720a(10) =1219560a(11) =2643112a(12) =5857032a(13) =13329432a(14) =30923000a(15) =73178104a(16) =175729256a(17) =427827272a(18) =1052243592a(19) =2611236664a(20) =6523282488a(21) =16387734744a(22) =41341915880a(23) =104653471144

External references