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A219156 T(n,k)=Unchanging value maps: number of nXk binary arrays indicating the locations of corresponding elements unequal to no horizontal, antidiagonal or vertical neighbor in a random 0..1 nXk array 8
1, 2, 2, 4, 4, 4, 7, 9, 9, 7, 12, 21, 32, 21, 12, 21, 49, 104, 104, 49, 21, 37, 115, 360, 531, 360, 115, 37, 65, 269, 1234, 2708, 2708, 1234, 269, 65, 114, 628, 4224, 13725, 20400, 13725, 4224, 628, 114, 200, 1468, 14421, 69784, 153666, 153666, 69784, 14421, 1468 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Table starts

...1.....2.......4.........7..........12............21..............37

...2.....4.......9........21..........49...........115.............269

...4.....9......32.......104.........360..........1234............4224

...7....21.....104.......531........2708.........13725...........69784

..12....49.....360......2708.......20400........153666.........1158374

..21...115....1234.....13725......153666.......1707676........19027977

..37...269....4224.....69784.....1158374......19027977.......313358793

..65...628...14421....354500.....8729263.....212185508......5166391614

.114..1468...49292...1800573....65770098....2364398926.....85169635842

.200..3433..168568...9147029...495575471...26340590202...1403453366899

.351..8025..576373..46470551..3734568186..293506138765..23126821932330

.616.18758.1970380.236075721.28142976424.3270741315594.381141272070008

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..218

EXAMPLE

Some solutions for n=3 k=4

..0..0..1..1....0..0..0..1....1..0..0..0....0..0..0..1....1..1..1..1

..0..1..0..0....0..0..0..0....0..0..0..0....0..0..1..0....0..0..0..0

..1..0..0..0....1..0..0..0....0..1..1..1....0..1..0..0....0..0..0..0

CROSSREFS

Column 1 is A005251(n+2)

Sequence in context: A317419 A120456 A115383 * A210036 A304230 A305586

Adjacent sequences:  A219153 A219154 A219155 * A219157 A219158 A219159

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Nov 12 2012

STATUS

approved

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Last modified February 18 15:30 EST 2020. Contains 332019 sequences. (Running on oeis4.)