Number of (n+1)X7 0..2 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements.
A203833
Number of (n+1)X7 0..2 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements.
Terms
- a(0) =140625a(1) =11669859a(2) =1043088057a(3) =95763046491
External references
- oeis: A203833