Number of (n+1) X (4+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
A235235
Number of (n+1) X (4+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
Terms
- a(0) =4652a(1) =11728a(2) =28400a(3) =77368a(4) =201676a(5) =580668a(6) =1593940a(7) =4773744a(8) =13619216a(9) =41986384a(10) =123455548a(11) =389051892a(12) =1172319572a(13) =3758507320a(14) =11558458656a(15) =37574720456a(16) =117559819820a(17) =386585266780
External references
- oeis: A235235