OFFSET
1,8
COMMENTS
Table starts
..1.....1........1...........1............2.............2.............5
..1.....1........2...........4...........12............34...........136
..1.....2.......10..........29..........366..........1534.........35167
..1.....4.......29.........313.........6150........145563.......5219070
..2....12......366........6150.......847594......30312074...10289785215
..2....34.....1534......145563.....30312074....9260821180.4761748786964
..5...136....35167.....5219070..10289785215.4761748786964
..5...500...188835...208181894.609400419815
.15..2440..6618472.11412814314
.15.10900.42756208
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..84
EXAMPLE
Some solutions for n=4 k=4
..0..x..1..x....0..x..1..x....0..x..1..x....0..x..1..x....0..x..1..x
..x..2..x..3....x..2..x..3....x..1..x..0....x..2..x..3....x..2..x..3
..1..x..4..x....4..x..3..x....2..x..0..x....4..x..5..x....4..x..5..x
..x..0..x..5....x..5..x..2....x..3..x..1....x..5..x..2....x..0..x..4
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Aug 28 2012
STATUS
approved