OFFSET
1,1
COMMENTS
Table starts
........6...........36..............340...............1914..............13850
.......36..........864............39780.............872784...........27173700
......340........39780.........10520570.........1100843406.......176146081651
.....1914.......872784.......1100843406.......440499731904....295553959528086
....13850.....27173700.....176146081651....295553959528086.909147509028474280
....79266....607177560...18796559253849.119948506672674960
...523133..16686373301.2593203089087409
..3016164.377744379360
.19260414
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..49
EXAMPLE
Some solutions for n=2 k=4
..0..0..0..0..2....0..0..0..0..2....0..0..0..0..1....0..0..0..0..2
..2..1..2..0..3....0..2..0..3..1....0..0..1..3..3....1..2..3..2..3
..1..1..3..2..3....1..1..3..1..3....2..1..3..2..3....2..1..1..1..3
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 09 2013
STATUS
approved