OFFSET
1,1
COMMENTS
Table starts
...1280....1664.....3072......6144......11834.......22632.........44792
...1664....2640.....6470.....14908......35948.......85826........210582
...3072....6470....16710.....44504.....130202......362242.......1035154
...6144...14908....44504....149364.....541656.....1765074.......6446816
..11834...35948...130202....541656....2432344....10134314......46409346
..22632...85826...362242...1765074...10134314....52977162.....302373278
..44792..210582..1035154...6446816...46409346...302373278....2223220200
..86988..525800..3188016..24880436..224615756..1884805604...17491571986
.170432.1281188..9369766..90369250.1050145210.11306760510..133178140146
.342826.3230514.28509654.354040208.5180674746.70754000356.1057141576284
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..286
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 41] for n>50
k=2: [order 60] for n>66
k=3: [order 70] for n>76
EXAMPLE
Some solutions for n=4 k=4
..0..1..0..0..0..0....2..2..0..3..1..0....1..3..0..2..2..0....2..3..0..2..3..0
..0..0..0..1..0..0....0..3..1..0..3..1....3..0..1..3..0..2....3..0..2..3..0..2
..0..0..0..0..0..0....2..0..3..1..0..3....0..2..3..0..2..2....0..1..3..0..2..2
..1..0..0..0..0..0....3..2..0..3..2..0....2..3..0..1..3..0....2..3..0..1..3..0
..0..0..1..0..0..1....0..3..1..0..3..1....2..0..2..3..0..2....3..0..2..3..0..2
..0..0..0..0..0..0....2..0..3..2..0..3....0..2..3..0..2..3....0..1..3..0..2..3
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 08 2014
STATUS
approved