Number of (n+1) X (3+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).
A234446
Number of (n+1) X (3+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).
Terms
- a(0) =8064a(1) =125080a(2) =2053280a(3) =34601928a(4) =588663528a(5) =10079824144a(6) =172781443608
External references
- oeis: A234446