Number of (n+1) X (7+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
A235257
Number of (n+1) X (7+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
Terms
- a(0) =600928a(1) =1330480a(2) =2873128a(3) =7200188a(4) =17480904a(5) =47995084a(6) =126993640a(7) =373324260a(8) =1053946488a(9) =3264942732a(10) =9696780840a(11) =31291585876
External references
- oeis: A235257