407498

Appears in sequences

• Half the number of n X 4 binary arrays with no 3 X 3 submatrix formed with any three rows and columns equal to J-I.at n=4A213414
• Half the number of nX5 binary arrays with no 3X3 submatrix formed with any three rows and columns equal to J-I.at n=3A213415
• T(n,k) = Half the number of n X k binary arrays with no 3 X 3 submatrix formed with any three rows and columns equal to J-I.at n=31A213418
• T(n,k) = Half the number of n X k binary arrays with no 3 X 3 submatrix formed with any three rows and columns equal to J-I.at n=32A213418