Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock summing to less than 4.
A184555
Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock summing to less than 4.
Terms
- a(0) =50a(1) =5736a(2) =3436266a(3) =12900566348
External references
- oeis: A184555