login
A186063
T(n,k)=Number of (n+2)X(k+2) binary arrays with each 3X3 subblock having a positive determinant
10
87, 267, 267, 792, 1217, 792, 2328, 5050, 5050, 2328, 6915, 18376, 26868, 18376, 6915, 20475, 77987, 128303, 128303, 77987, 20475, 60588, 319247, 743667, 836891, 743667, 319247, 60588, 179442, 1206478, 3894282, 5877960, 5877960, 3894282, 1206478
OFFSET
1,1
COMMENTS
Table starts
......87......267........792........2328..........6915...........20475
.....267.....1217.......5050.......18376.........77987..........319247
.....792.....5050......26868......128303........743667.........3894282
....2328....18376.....128303......836891.......5877960........40407070
....6915....77987.....743667.....5877960......58408337.......545528022
...20475...319247....3894282....40407070.....545528022......6541274560
...60588..1206478...19416799...275207345....4584860256.....72905263923
..179442..5004260..109272739..1895454019...44097747372....948612706087
..531306.20446314..574576902.13007169394..410464949409..11378633159391
.1573062.78510506.2902540637.89136850704.3514156302617.128977165646242
LINKS
EXAMPLE
Some solutions for 5X4
..0..1..0..1....1..0..0..1....1..1..0..0....1..0..0..1....1..1..1..1
..0..1..1..0....0..1..0..1....0..1..1..0....1..1..0..1....1..0..1..1
..1..0..1..0....1..0..1..1....1..0..0..1....0..1..1..0....1..1..0..1
..1..0..0..1....1..0..0..1....1..1..0..0....0..0..1..1....0..1..0..0
..0..1..0..0....1..1..1..1....1..1..1..0....1..1..0..1....0..0..1..1
CROSSREFS
Sequence in context: A020314 A008899 A008879 * A186055 A243580 A219723
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 11 2011
STATUS
approved