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A282159 T(n,k)=Number of nXk 0..2 arrays with no element unequal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 5
0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 82, 884, 82, 0, 0, 1599, 37560, 37560, 1599, 0, 0, 20256, 449234, 680348, 449234, 20256, 0, 0, 217361, 4930949, 12543514, 12543514, 4930949, 217361, 0, 0, 2130206, 45129433, 171142988, 268737946, 171142988, 45129433 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,12

COMMENTS

Table starts

.0.........0...........0............0.............0.............0.............0

.0.........0...........1...........82..........1599.........20256........217361

.0.........1.........884........37560........449234.......4930949......45129433

.0........82.......37560.......680348......12543514.....171142988....2215087379

.0......1599......449234.....12543514.....268737946....4498309134...70977696789

.0.....20256.....4930949....171142988....4498309134...94477496914.1871302754948

.0....217361....45129433...2215087379...70977696789.1871302754948

.0...2130206...390165523..26310131648.1027384373753

.0..19642211..3162500791.298319340360

.0.173364188.24713889390

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..83

FORMULA

Empirical for column k:

k=1: a(n) = a(n-1)

k=2: [order 12]

k=3: [order 45] for n>49

EXAMPLE

Some solutions for n=3 k=4

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

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

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

CROSSREFS

Sequence in context: A230394 A173356 A083386 * A263812 A160154 A093282

Adjacent sequences:  A282156 A282157 A282158 * A282160 A282161 A282162

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Feb 07 2017

STATUS

approved

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Last modified December 12 01:08 EST 2017. Contains 295936 sequences.