A268072 Number of nX5 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.
39, 30295, 18691624, 12341773443, 7496016439865, 4526538615127374, 2650602668970910839, 1532388103026197724943, 872365742087350348504945
Offset: 1
Keywords
Examples
Some solutions for n=2 ..0..1..0..2..1....0..1..0..2..2....0..1..2..2..1....0..1..0..2..0 ..1..3..2..1..1....2..2..0..2..3....1..2..0..3..0....1..3..3..1..1
Crossrefs
Cf. A268073.
Comments