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

A235079

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

Terms

    a(0) =38a(1) =198a(2) =830a(3) =3558a(4) =13446a(5) =53590a(6) =196302a(7) =763814a(8) =2809478a(9) =10902494a(10) =40824462a(11) =159294206a(12) =608274054a(13) =2390311294a(14) =9275377822

External references