Number of 2Xn 0..n arrays with every repeated value in every row and column equal to the previous repeated value, and new values introduced in row-major sequential order.
A268005
Number of 2Xn 0..n arrays with every repeated value in every row and column equal to the previous repeated value, and new values introduced in row-major sequential order.
Terms
- a(0) =2a(1) =14a(2) =187a(3) =3552a(4) =93311a(5) =3201247a(6) =137687080a(7) =7202412402a(8) =447845857496
External references
- oeis: A268005