Number of (n+1) X 4 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4.
A183742
Number of (n+1) X 4 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4.
Terms
- a(0) =1041a(1) =55857a(2) =3631179a(3) =263234281a(4) =19216153673
External references
- oeis: A183742