Half the number of nX(n+1) binary arrays with the number of 1-1 adjacencies equal to the number of 0-0 adjacencies.
A183254
Half the number of nX(n+1) binary arrays with the number of 1-1 adjacencies equal to the number of 0-0 adjacencies.
Terms
- a(0) =1a(1) =6a(2) =164a(3) =29100a(4) =23226996a(5) =78105333988
External references
- oeis: A183254