A218177 Number of nX4 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX4 array.

36, 956, 33152, 851332, 25006046, 710907184, 20223079322, 577891946796, 16478399529602, 470047800534878, 13411160016021278, 382570758334760884, 10914131505751644566, 311359004159871539534, 8882440163572303612864

Offset: 1

Author

R. H. Hardin Oct 22 2012

Keywords

• nonn

Comments

Column 4 of A218181

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..156