Number of (n+1) X (4+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

A235182

Number of (n+1) X (4+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

Terms

    a(0) =1696a(1) =3796a(2) =8224a(3) =19584a(4) =45128a(5) =112432a(6) =270056a(7) =694680a(8) =1719360a(9) =4527576a(10) =11467512a(11) =30743168a(12) =79346904a(13) =215790584a(14) =565988848a(15) =1557731960a(16) =4144240488a(17) =11523618144a(18) =31052234856a(19) =87128705240a(20) =237510624832a(21) =671813438520

External references