Number of (n+1) X (7+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).
A235185
Number of (n+1) X (7+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) =38064a(1) =71244a(2) =131120a(3) =270056a(4) =545768a(5) =1204056a(6) =2598040a(7) =6019088a(8) =13595968a(9) =32649376a(10) =76226184a(11) =188095080a(12) =450248824a(13) =1134831824a(14) =2770942400a(15) =7103894688a(16) =17636624776a(17) =45860150152a(18) =115538722392a(19) =304148763792a(20) =776705047872
External references
- oeis: A235185