login
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
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
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
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Apr 09 2011
STATUS
approved