OFFSET
1,5
COMMENTS
Table starts
.1.1..1...1....1......1.........1..........1...........1...........1
.1.3.10..35..126....462......1716.......6435.......24310.......92378
.1.4.17..66..324...1565......7908......41440......219394.....1181538
.1.3.23.123..657...4765.....36055.....256836.....1888443....14723754
.1.3.21.221.1811..13359....129319....1586523....18730678...199349073
.1.3.17.268.4585..55105....569689....7128794...126811891..2572337388
.1.3.17.203.7672.201362...3562990...52241496...855234512.19809675462
.1.3.17.167.7145.467919..18784855..491779927.10416831490
.1.3.17.167.5356.608250..61856471.3779928997
.1.3.17.167.4640.513398.115115782
Empirical: column k descends to a constant at n=2k, the final constant for k=1..7 being 1 3 17 167 4640 348814 77196948
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..142
EXAMPLE
Some solutions for n=6 k=4
..0..0..2..3....0..1..2..3....0..1..2..4....0..2..3..5....0..2..2..4
..0..1..2..4....1..1..2..4....0..1..3..5....1..2..4..5....1..2..3..5
..0..1..3..5....1..2..3..5....1..2..4..5....2..3..4..0....1..3..4..5
..1..2..4..5....2..3..4..0....2..3..4..5....2..3..5..0....2..3..5..0
..1..3..4..5....3..4..5..0....2..3..5..0....3..4..0..1....3..4..0..1
..2..3..4..5....4..5..5..0....3..4..0..1....4..5..1..1....4..5..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 19 2016
STATUS
approved