OFFSET
1,8
COMMENTS
Table starts
.0.0.....0.......0.........0...........0.............0...............0
.0.0.....2.......6........20..........68...........230.............778
.0.0.....8......48.......286........1748.........10734...........65934
.0.0....42.....438......4674.......53530........616562.........7084870
.0.0...208....3936.....75346.....1608428......34716434.......745738376
.0.0..1042...35430...1217338....48463174....1961000570.....78805506362
.0.0..5208..318864..19662930..1459796386..110728004898...8325135556908
.0.0.26042.2869782.317613674.43973372728.6252665856636.879549454424322
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..179
FORMULA
Empirical for column k:
k=3: a(n) = 4*a(n-1) +5*a(n-2)
k=4: a(n) = 8*a(n-1) +9*a(n-2)
k=5: a(n) = 14*a(n-1) +35*a(n-2) -4*a(n-3) +4*a(n-4) +32*a(n-5) -32*a(n-6)
k=6: [order 17] for n>18
k=7: [order 32] for n>34
Empirical for row n:
n=2: a(n) = 3*a(n-1) +a(n-2) +a(n-3)
n=3: [order 12] for n>16
n=4: [order 51] for n>56
EXAMPLE
Some solutions for n=4 k=4
..0..1..0..3....0..1..0..1....0..1..2..1....0..1..2..1....0..1..0..3
..2..3..2..3....2..3..2..0....0..3..0..3....0..3..2..1....2..3..1..2
..0..1..0..3....2..0..1..0....0..1..2..1....2..1..0..1....2..0..3..2
..0..3..2..1....3..2..3..2....0..3..2..1....0..3..2..1....3..0..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 03 2013
STATUS
approved