A218651 T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..3 nXk array.

4, 4, 4, 16, 16, 16, 36, 66, 66, 36, 94, 292, 610, 292, 94, 236, 1280, 4946, 4946, 1280, 236, 602, 5644, 44712, 82188, 44712, 5644, 602, 1528, 24782, 391888, 1374954, 1374954, 391888, 24782, 1528, 3882, 108940, 3441914, 23370578, 45453172

Offset: 1

Author

R. H. Hardin Nov 03 2012

Keywords

• nonn
• tabl

Comments

Table starts

.....4........4...........16..............36..................94

.....4.......16...........66.............292................1280

....16.......66..........610............4946...............44712

....36......292.........4946...........82188.............1374954

....94.....1280........44712.........1374954............45453172

...236.....5644.......391888........23370578..........1519211492

...602....24782......3441914.......394655980.........50119569324

..1528...108940.....30316230......6688451956.......1664686049742

..3882...478862....266671334....113330380248......55271550032162

..9858..2104866...2346850058...1919929942392....1834389849757758

.25038..9252000..20652411898..32533805101006...60908824469453990

.63592.40667620.181738545458.551254991578840.2022184882918753962

Examples

			Some solutions for n=3 k=4
..1..0..0..0....3..3..2..2....0..0..0..2....2..1..1..3....2..2..2..2
..1..0..0..0....2..1..1..2....0..0..1..2....1..1..1..1....0..0..1..3
..1..0..0..3....1..1..1..3....0..0..2..2....1..1..1..1....0..0..1..3
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..144

Crossrefs

Column 1 is A218051