Half the number of (n+2)X10 binary arrays with each 3X3 subblock having sum 4 or 5.
A186824
Half the number of (n+2)X10 binary arrays with each 3X3 subblock having sum 4 or 5.
Terms
- a(0) =8730234a(1) =390661554a(2) =15639380661a(3) =676967599202
External references
- oeis: A186824