OFFSET
1,1
COMMENTS
Table starts
.........15.............171.................2532...................38810
........171............9449...............551631................32258200
.......2532..........551631............122794254.............27327609576
......38810........32258200..........27327609576..........23138312968770
.....597829......1886206112........6080435385822.......19586354937923493
....9217211....110294918412.....1352952771405899....16580357350118698482
..142130380...6449441361133...301044368378558620.14035699363578442423160
.2191712741.377127604356885.66985084734298135608
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..59
EXAMPLE
Some solutions for n=4 k=3
..0..0..0..0....0..0..0..0....0..1..1..1....0..0..0..1....0..0..0..0
..0..1..2..1....0..1..2..2....1..2..1..2....0..1..2..1....1..0..1..2
..0..2..3..1....0..2..0..2....3..0..1..3....1..2..2..3....2..3..1..1
..3..3..1..1....0..1..2..1....0..0..1..3....0..3..3..0....2..0..1..0
..3..0..1..0....3..0..0..1....0..2..0..3....0..3..0..3....0..0..0..3
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 09 2012
STATUS
approved