OFFSET
1,1
COMMENTS
Table starts
...4......10...........20..............35.................56.................83
..10......90..........631............3567..............16493..............64018
..20.....631........19827..........499474............9603489..........144262866
..35....3567.......499474........56836178.........4720850001.......299927801278
..56...16493......9603489......4720850001......1692459595971....463016032498283
..83...64018....144262866....299927801278....463016032498283.545947219624185244
.116..213013...1757594146..15249209002599.100953294298736546
.155..621757..17915547783.640855702702745
.200.1626046.156619023957
.251.3878550
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..71
EXAMPLE
Some solutions for n=3 k=3
..2..3..4....0..0..1....1..3..4....0..3..3....0..0..3....0..0..3....0..2..4
..3..0..2....0..4..4....2..0..0....0..4..4....0..1..3....0..2..4....0..3..2
..4..0..0....1..3..1....3..1..0....3..2..4....3..3..2....1..2..4....4..2..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 04 2011
STATUS
approved