Number of (n+1) X (5+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).

A235014

Number of (n+1) X (5+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) =1736a(1) =2568a(2) =4008a(3) =6856a(4) =12168a(5) =23016a(6) =44680a(7) =90824a(8) =189032a(9) =407880a(10) =900168a(11) =2043496a(12) =4730184a(13) =11179080a(14) =26815912a(15) =65246024a(16) =160397576a(17) =397950312a(18) =993981960a(19) =2496937288a(20) =6298923240a(21) =15945371592a(22) =40469357512a(23) =102926663144

External references