Number of nX9 binary arrays with an element zero only if there are an even number of ones to its left and an even number of ones above it.
A183321
Number of nX9 binary arrays with an element zero only if there are an even number of ones to its left and an even number of ones above it.
Terms
- a(0) =89a(1) =1097a(2) =28959a(3) =498825a(4) =10288475a(5) =190243099a(6) =3674032121a(7) =68795107993
External references
- oeis: A183321