A218647 Number of nX4 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..3 nX4 array.

36, 292, 4946, 82188, 1374954, 23370578, 394655980, 6688451956, 113330380248, 1919929942392, 32533805101006, 551254991578840, 9340671432312772, 158272966584027210, 2681844781855552786, 45442423044091925218

Offset: 1

Author

R. H. Hardin Nov 03 2012

Keywords

• nonn

Comments

Column 4 of A218651

Examples

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

Links

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