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A221125 T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor 9
1, 3, 1, 8, 21, 1, 21, 200, 144, 1, 55, 1950, 4872, 987, 1, 144, 19005, 179300, 118472, 6765, 1, 377, 185164, 6405243, 16436223, 2880520, 46368, 1, 987, 1803949, 229006550, 2152770692, 1506094707, 70036168, 317811, 1, 2584, 17574675 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Table starts

.1........3...........8.............21..............55.............144

.1.......21.........200...........1950...........19005..........185164

.1......144........4872.........179300.........6405243.......229006550

.1......987......118472.......16436223......2152770692....282454178707

.1.....6765.....2880520.....1506094707....723234356389.348270153038959

.1....46368....70036168...138001217828.242959402596630

.1...317811..1702839048.12644783009532

.1..2178309.41402332360

.1.14930352

.1

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..59

EXAMPLE

Some solutions for n=3 k=4

..1..1..2..0....2..1..1..0....2..0..2..0....2..1..1..0....1..2..0..0

..0..2..2..0....0..1..2..1....1..1..1..1....0..1..2..0....0..2..2..0

..1..1..0..2....0..0..2..2....0..3..1..0....0..2..3..0....0..1..4..0

CROSSREFS

Column 2 is A033888

Row 1 is A001906

Sequence in context: A077108 A075847 A193602 * A049967 A221780 A221723

Adjacent sequences:  A221122 A221123 A221124 * A221126 A221127 A221128

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 02 2013

STATUS

approved

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Last modified January 22 07:31 EST 2022. Contains 350481 sequences. (Running on oeis4.)