Number of (n+1)X2 0..3 arrays with no 2X2 subblock having equal diagonal elements or equal antidiagonal elements.
A203819
Number of (n+1)X2 0..3 arrays with no 2X2 subblock having equal diagonal elements or equal antidiagonal elements.
Terms
- a(0) =144a(1) =1296a(2) =11664a(3) =104976a(4) =944784a(5) =8503056a(6) =76527504a(7) =688747536a(8) =6198727824a(9) =55788550416a(10) =502096953744
External references
- oeis: A203819