Number of nX2 0..3 arrays with every repeated value in every row and column unequal to the previous repeated value, and new values introduced in row-major sequential order.
A268070
Number of nX2 0..3 arrays with every repeated value in every row and column unequal to the previous repeated value, and new values introduced in row-major sequential order.
Terms
- a(0) =2a(1) =15a(2) =159a(3) =2191a(4) =30295a(5) =421471a(6) =5797959a(7) =79367143a(8) =1079774311a(9) =14630901175a(10) =197520668295
External references
- oeis: A268070