OFFSET
1,1
COMMENTS
Table starts
.........7............78...............864..................9576
........78..........2520.............80496...............2574592
.......864.........80496...........7380816.............677993552
......9576.......2574592.........677993552..........178971208720
....106128......82334080.......62266883792........47230418649056
...1176192....2633043200.....5718722907600.....12464482425454304
..13035456...84204544256...525218223843536...3289463792785895520
.144468864.2692856218368.48237041019306960.868112796901730209328
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..144
EXAMPLE
Some solutions for n=4, k=3
..0..0..0..1....0..0..0..0....0..1..2..1....0..0..1..1....0..1..0..2
..1..2..3..0....1..2..3..2....2..3..0..1....1..2..2..3....2..1..2..3
..3..1..1..3....3..1..1..2....2..0..1..2....3..0..3..0....2..0..1..3
..2..2..3..0....1..2..3..1....3..0..2..0....2..0..1..2....1..3..1..0
..3..0..3..1....3..2..0..1....3..1..2..1....3..2..0..1....3..0..3..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 21 2012
STATUS
approved