Number of (n+1) X (7+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).
A234226
Number of (n+1) X (7+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).
Terms
- a(0) =582144a(1) =1123724a(2) =2264904a(3) =5162984a(4) =12178344a(5) =31418264a(6) =83324136a(7) =236748824a(8) =690049704a(9) =2128516184a(10) =6731960424a(11) =22318060184a(12) =75732130344a(13) =266822847704a(14) =958417428456
External references
- oeis: A234226