Number of (n+1)X(5+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0011 or 0111.
A259247
Number of (n+1)X(5+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0011 or 0111.
Terms
- a(0) =255a(1) =1733a(2) =10720a(3) =71313a(4) =451481a(5) =2964676a(6) =18970267a(7) =123694345a(8) =795726064a(9) =5169185873a(10) =33344636925a(11) =216190905756
External references
- oeis: A259247