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A188763 T(n,k)=Number of nXk binary arrays without the pattern 0 0 1 vertically or horizontally 8
2, 4, 4, 7, 16, 7, 12, 49, 49, 12, 20, 144, 240, 144, 20, 33, 400, 1112, 1112, 400, 33, 54, 1089, 4792, 8024, 4792, 1089, 54, 88, 2916, 20129, 53024, 53024, 20129, 2916, 88, 143, 7744, 82807, 339927, 532168, 339927, 82807, 7744, 143, 232, 20449, 337209, 2125134 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

...2.....4.......7........12..........20............33..............54

...4....16......49.......144.........400..........1089............2916

...7....49.....240......1112........4792.........20129...........82807

..12...144....1112......8024.......53024........339927.........2125134

..20...400....4792.....53024......532168.......5163989........48759352

..33..1089...20129....339927.....5163989......75643222......1076278662

..54..2916...82807...2125134....48759352....1076278662.....23051042448

..88..7744..337209..13128024...454436200...15104206828....486675087796

.143.20449.1363568..80418708..4196906454..209938880964..10173867472000

.232.53824.5492088.490332106.38563523452.2902462402332.211512633571598

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..391

EXAMPLE

Some solutions for 5X3

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

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

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

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

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

CROSSREFS

Column 1 is A000071(n+3)

Column 2 is A188516

Sequence in context: A188851 A188523 A206785 * A188695 A188508 A207000

Adjacent sequences: A188760 A188761 A188762 * A188764 A188765 A188766

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Apr 09 2011

STATUS

approved

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Last modified December 1 07:34 EST 2022. Contains 358454 sequences. (Running on oeis4.)