A267908 Number of nX4 0..2 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

11, 726, 47916, 2331981, 98614986, 3774659262, 134786758099, 4574297266940, 149403639631334, 4738376096688749, 146873341033699972, 4471066919904073296, 134165935575637438787, 3980005021518381534082, 116980704393934615092268

Offset: 1

Author

R. H. Hardin, Jan 22 2016

Keywords

• nonn

Comments

Column 4 of A267911.

Examples

			Some solutions for n=3
..0..1..1..0....0..0..1..1....0..1..2..1....0..1..2..1....0..1..2..1
..1..1..2..2....1..0..1..2....1..2..0..0....2..0..0..1....1..0..2..0
..2..1..1..2....1..1..2..2....1..0..1..1....1..2..0..1....2..0..2..2
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210

Crossrefs

Cf. A267911.