OFFSET
1,5
COMMENTS
Table starts
......1..........1..............1................2................16
......1..........4.............21..............139..............8463
......1.........21...........2024...........170970...........7796840
......2........139.........170970.........36765048.......19256175024
.....16.......8463........7796840......19256175024....62221755947285
.....79.....219995.....1346956387....7187180809683.29140746691543180
....456....6639203...226158945148.2362949716450873
...2194..149441692.16064538255326
..20801.6260685646
.142675
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..60
EXAMPLE
Some solutions for n=3 k=4
..0..2..6..8....0..8.10.11....0..8..0..2....0..8..9.11....0..2..0..2
..8..0..2.10....4..6..8.10....4..6..2.10....2..6..8.10....4..6..2.10
..6..8.10.11....0..8.10.11....8..4..3.11....6..7..9.11....6..5..3.11
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 03 2015
STATUS
approved