Number of (n+1)X(5+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0011 or 0111.
A259424
Number of (n+1)X(5+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0011 or 0111.
Terms
- a(0) =1549a(1) =43347a(2) =1172659a(3) =32060569a(4) =873754597a(5) =23840819225a(6) =650266054724
External references
- oeis: A259424