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A188508 T(n,k)=Number of nXk binary arrays without the pattern 0 1 0 diagonally, vertically or horizontally 9
2, 4, 4, 7, 16, 7, 12, 49, 49, 12, 21, 144, 229, 144, 21, 37, 441, 971, 971, 441, 37, 65, 1369, 4351, 5626, 4351, 1369, 65, 114, 4225, 20124, 35079, 35079, 20124, 4225, 114, 200, 12996, 92597, 230877, 317751, 230877, 92597, 12996, 200, 351, 40000, 423074 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

...2......4.......7........12..........21............37..............65

...4.....16......49.......144.........441..........1369............4225

...7.....49.....229.......971........4351.........20124...........92597

..12....144.....971......5626.......35079........230877.........1512392

..21....441....4351.....35079......317751.......3121877........30288308

..37...1369...20124....230877.....3121877......47153387.......697038111

..65...4225...92597...1512392....30288308.....697038111.....15602080066

.114..12996..423074...9787958...288040928...10000092025....335304991524

.200..40000.1932355..63259244..2737303569..143394872372...7194757384224

.351.123201.8836938.409715970.26117921403.2069826687060.155853551899068

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..337

EXAMPLE

Some solutions for 5X3

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

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

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

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

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

CROSSREFS

Column 1 is A005251(n+3)

Sequence in context: A206785 A188763 A188695 * A207000 A206883 A206889

Adjacent sequences:  A188505 A188506 A188507 * A188509 A188510 A188511

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Apr 02 2011

STATUS

approved

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Last modified March 26 04:32 EDT 2019. Contains 321481 sequences. (Running on oeis4.)