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A183352
T(n,k)=Number of nXk binary arrays with each 1 adjacent to exactly one 0 vertically and one 0 horizontally
10
1, 1, 1, 1, 7, 1, 1, 9, 9, 1, 1, 17, 16, 17, 1, 1, 33, 25, 25, 33, 1, 1, 59, 64, 63, 64, 59, 1, 1, 109, 144, 163, 163, 144, 109, 1, 1, 201, 289, 387, 594, 387, 289, 201, 1, 1, 369, 625, 943, 1738, 1738, 943, 625, 369, 1, 1, 679, 1369, 2289, 5121, 6388, 5121, 2289, 1369, 679, 1
OFFSET
1,5
COMMENTS
Table starts
.1...1....1.....1......1.......1.......1........1.........1..........1
.1...7....9....17.....33......59.....109......201.......369........679
.1...9...16....25.....64.....144.....289......625......1369.......2916
.1..17...25....63....163.....387.....943.....2289......5561......13529
.1..33...64...163....594....1738....5121....15789.....47687.....143778
.1..59..144...387...1738....6388...21613....80265....293909....1054102
.1.109..289...943...5121...21613...88177...387783...1670453....7119039
.1.201..625..2289..15789...80265..387783..2078075..10788813...55225541
.1.369.1369..5561..47687..293909.1670453.10788813..67448514..412320121
.1.679.2916.13529.143778.1054102.7119039.55225541.412320121.3011210310
LINKS
EXAMPLE
Some solutions for 6X5
..0..0..1..1..0....0..0..0..0..1....0..0..0..0..0....0..0..0..0..1
..1..0..0..0..1....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
..1..0..0..0..1....0..0..0..0..0....1..0..0..0..1....0..0..1..1..0
..0..0..1..1..0....0..0..1..1..0....1..0..0..0..1....0..0..1..1..0
..0..0..1..1..0....0..0..1..1..0....0..0..0..0..0....0..0..0..0..0
..0..0..0..0..0....1..0..0..0..1....0..1..1..0..0....1..0..0..0..1
CROSSREFS
Sequence in context: A229779 A050179 A358450 * A217510 A273506 A364093
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 04 2011
STATUS
approved