Number of (n+1) X (4+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 8 (constant-stress 1 X 1 tilings).
A234734
Number of (n+1) X (4+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 8 (constant-stress 1 X 1 tilings).
Terms
- a(0) =8736a(1) =21048a(2) =45792a(3) =127032a(4) =319488a(5) =972888a(6) =2723040a(7) =8836536a(8) =26699136a(9) =90688728a(10) =289595232a(11) =1018007352a(12) =3387971328a(13) =12231257688a(14) =42028017120a(15) =154964007096a(16) =546131550336
External references
- oeis: A234734