Half the number of (n+1)X7 binary arrays with no 2X2 subblock containing exactly one 1.
A184194
Half the number of (n+1)X7 binary arrays with no 2X2 subblock containing exactly one 1.
Terms
- a(0) =1908a(1) =90185a(2) =3901193a(3) =174401423a(4) =7751834608a(5) =345350598641
External references
- oeis: A184194