Number of (n+1) X 2 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4.
A183740
Number of (n+1) X 2 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4.
Terms
- a(0) =19a(1) =147a(2) =1041a(3) =10231a(4) =76355a(5) =639129a(6) =5262685a(7) =45272931a(8) =382928623a(9) =3284527183a(10) =28183944013a(11) =243625884229
External references
- oeis: A183740