Number of n X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 0 and 1 1 1 vertically.
A207874
Number of n X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 0 and 1 1 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =72a(3) =400a(4) =1648a(5) =10742a(6) =51696a(7) =380632a(8) =2048344a(9) =17181610a(10) =99927528a(11) =1001175276a(12) =6019939360a(13) =76617072388a(14) =455429901920
External references
- oeis: A207874