Half the number of (n+1)X(n+1) binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks.
A184458
Half the number of (n+1)X(n+1) binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks.
Terms
- a(0) =3a(1) =35a(2) =3090a(3) =1181303a(4) =1925704384
External references
- oeis: A184458