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.
A213414
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.
Terms
- a(0) =8a(1) =128a(2) =1970a(3) =28952a(4) =407498a(5) =5524088a(6) =72544970a(7) =927723512a(8) =11603925098a(9) =142479782648
External references
- oeis: A213414