Number of (n+1) X (9+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).

A235299

Number of (n+1) X (9+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).

Terms

    a(0) =96640a(1) =104988a(2) =115952a(3) =138744a(4) =172288a(5) =242592a(6) =358016a(7) =603216a(8) =1044640a(9) =2006448a(10) =3872192a(11) =8117424a(12) =16889248a(13) =38126832a(14) =84508736a(15) =205202736a(16) =481284640a(17) =1249786608a(18) =3069367232a(19) =8404486704a(20) =21326389408a(21) =60552997872a(22) =156864001856

External references