Number of (n+1)X(7+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0011 or 0111.
A259249
Number of (n+1)X(7+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0011 or 0111.
Terms
- a(0) =1353a(1) =15613a(2) =159168a(3) =1803859a(4) =18970267a(5) =211569948a(6) =2259371001a(7) =24946035357a(8) =268635598788
External references
- oeis: A259249