OFFSET
1,1
COMMENTS
Table starts
.19683...721..2917..6594.12122.20056..29303..35198..53611..85029.121783.199305
...721...173...401..1411..2617..3379...4033...4795...6361..10443..17153..26995
..2917...401..1399..3421..4807..5605...6511...8029..11647..19237..31623..49805
..6594..1411..3421..8983.11557.12895..14845..18415..25381..40279..63565.102591
.12122..2617..4807.11557.21007.23389..27391..33445..44263..68269.104335.154693
.20056..3379..5605.12895.23389.29935..36133..44887..60493..91519.137701.205879
.29303..4033..6511.14845.27391.36133..47719..60973..82447.122725.185863.278125
.35198..4795..8029.18415.33445.44887..60973..82783.112357.168727.255085.381007
.53611..6361.11647.25381.44263.60493..82447.112357.168391.250285.374335.562933
.85029.10443.19237.40279.68269.91519.122725.168727.250285.441199.644917.946087
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..1404
FORMULA
Empirical, for all columns: a(n)=2*a(n-1)-a(n-2)+2*a(n-3)-4*a(n-4)+2*a(n-5)+2*a(n-6)-2*a(n-7) for n>18,10,11,12,13,14,15,16 respectively for k=1..8
EXAMPLE
Some solutions for 5X4
..0..0..1..0....0..0..0..1....0..0..0..1....0..0..0..0....1..0..0..0
..2..0..0..1....0..0..0..0....0..0..0..1....0..0..0..0....0..0..0..0
..0..2..0..0....0..0..0..0....0..0..0..1....1..0..0..0....0..0..0..0
..0..0..2..0....1..0..0..0....0..0..0..1....2..1..0..0....0..0..0..0
..0..0..0..2....0..0..0..2....0..0..0..1....1..2..1..0....0..1..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 23 2011
STATUS
approved