Number of (n+1) X 3 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4.
A183741
Number of (n+1) X 3 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4.
Terms
- a(0) =147a(1) =2553a(2) =55857a(3) =1389521a(4) =33587307a(5) =829488619a(6) =20777533329a(7) =526362000253
External references
- oeis: A183741