Half the number of nX7 binary arrays with no 3X3 submatrix formed with any three rows and columns equal to J-I.
A213417
Half the number of nX7 binary arrays with no 3X3 submatrix formed with any three rows and columns equal to J-I.
Terms
- a(0) =64a(1) =8192a(2) =854473a(3) =72544970a(4) =5190742489a(5) =323797652462
External references
- oeis: A213417