Number of (n+1) X (3+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).
A234676
Number of (n+1) X (3+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).
Terms
- a(0) =1264a(1) =2924a(2) =6328a(3) =17312a(4) =43240a(5) =129848a(6) =354856a(7) =1129256a(8) =3265864a(9) =10806344a(10) =32397928a(11) =110161352a(12) =338146120a(13) =1172415368a(14) =3657091816a(15) =12860973896a(16) =40576496584a(17) =144194315144a(18) =458737409128
External references
- oeis: A234676