Number of (n+1)X(7+1) 0..1 arrays with every 2X2 subblock having one or two 1s.
A251325
Number of (n+1)X(7+1) 0..1 arrays with every 2X2 subblock having one or two 1s.
Terms
- a(0) =4894a(1) =142600a(2) =3866110a(3) =114913804a(4) =3265612528a(5) =96040080726
External references
- oeis: A251325