Number of (n+1) X (5+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
A235183
Number of (n+1) X (5+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
Terms
- a(0) =4656a(1) =9780a(2) =19952a(3) =45128a(4) =99096a(5) =236376a(6) =545768a(7) =1351904a(8) =3234336a(9) =8236464a(10) =20235512a(11) =52632200a(12) =132063816a(13) =349337952a(14) =892241120a(15) =2393564720a(16) =6209733240a(17) =16862423016a(18) =44373812264a(19) =121811965088a(20) =324794526624a(21) =900449967888
External references
- oeis: A235183