Number of (n+1) X (1+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant-stress 1 X 1 tilings).
A235312
Number of (n+1) X (1+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant-stress 1 X 1 tilings).
Terms
- a(0) =112a(1) =392a(2) =1120a(3) =3920a(4) =11776a(5) =41216a(6) =128128a(7) =448448a(8) =1426432a(9) =4992512a(10) =16130560a(11) =56456960a(12) =184446976a(13) =645564416a(14) =2126645248a(15) =7443258368a(16) =24679432192a(17) =86378012672a(18) =287911321600
External references
- oeis: A235312