Half the number of nX7 binary arrays with each element equal to at least two neighbors.
A180756
Half the number of nX7 binary arrays with each element equal to at least two neighbors.
Terms
- a(0) =0a(1) =8a(2) =14a(3) =207a(4) =1874a(5) =20205a(6) =205020a(7) =2141384a(8) =22238670a(9) =232041425a(10) =2420128480a(11) =25258683242a(12) =263607333975
External references
- oeis: A180756