Half the number of (n+1) X (n+1) binary arrays with no 2 X 2 subblock having exactly 2 ones.
A183773
Half the number of (n+1) X (n+1) binary arrays with no 2 X 2 subblock having exactly 2 ones.
Terms
- a(0) =5a(1) =47a(2) =730a(3) =21935a(4) =1146964a(5) =112439612a(6) =19815396763
External references
- oeis: A183773