A218181 T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nXk array

4, 4, 4, 16, 28, 16, 36, 192, 192, 36, 94, 956, 2936, 956, 94, 236, 5494, 33152, 33152, 5494, 236, 602, 30888, 434210, 851332, 434210, 30888, 602, 1528, 172038, 5528352, 25006046, 25006046, 5528352, 172038, 1528, 3882, 964828, 70125438, 710907184

Offset

1,1

Comments

Table starts

.....4.........4...........16.............36..............94..............236

.....4........28..........192............956............5494............30888

....16.......192.........2936..........33152..........434210..........5528352

....36.......956........33152.........851332........25006046........710907184

....94......5494.......434210.......25006046......1661620524.....106842964082

...236.....30888......5528352......710907184....106842964082...15513264742256

...602....172038.....70125438....20223079322...6885852440176.2257342895377582

..1528....964828....894288072...577891946796.445345491313290

..3882...5400158..11389420426.16478399529602

..9858..30225794.145014350614

.25038.169223054

.63592

Links

R. H. Hardin, Table of n, a(n) for n = 1..84

Example

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

Crossrefs

Column 1 is A218051

Sequence in context: A218056 A218651 A298730 * A231586 A231700 A231746

Adjacent sequences: A218178 A218179 A218180 * A218182 A218183 A218184

Keyword

nonn,tabl

Author

R. H. Hardin Oct 22 2012

Status

approved