Half the number of (n+1)X6 0..2 arrays with no 2X2 subblock having sum 4.
A183788
Half the number of (n+1)X6 0..2 arrays with no 2X2 subblock having sum 4.
Terms
- a(0) =72468a(1) =15497634a(2) =3250564943a(3) =685721542209
External references
- oeis: A183788