OFFSET
1,1
COMMENTS
Table starts
....10.....25.......61.......149........365.........894..........2189
....25.....79......238.......720.......2199........6717.........20484
....61....238......890......3369......12859.......48980........186162
...149....720.....3369.....16006......76167......361845.......1720147
...365...2199....12859.....76167.....451826.....2688099......16024915
...894...6717....48980....361845....2688099....20080487.....149982413
..2189..20484...186162...1720147...16024915...149982413....1401489913
..5360..62464...707897...8186775...95495471..1118147932...13088358653
.13125.190542..2693783..38968823..568712168..8339278058..122472226217
.32139.581259.10250631.185439356.3387770571.62282522930.1147464543755
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..759
FORMULA
Empirical for column k:
k=1: a(n) = 3*a(n-1) -2*a(n-2) +2*a(n-3) -a(n-4)
k=2: a(n) = 5*a(n-1) -9*a(n-2) +13*a(n-3) -13*a(n-4) +6*a(n-5) -2*a(n-6)
k=3: [order 10]
k=4: [order 15] for n>17
k=5: [order 26] for n>27
k=6: [order 42] for n>44
k=7: [order 68] for n>70
EXAMPLE
Some solutions for n=4 k=4
..0..1..0..0..1....1..1..1..0..0....0..1..1..0..0....1..1..0..1..1
..0..1..0..0..1....0..0..1..1..0....1..0..1..1..0....0..1..0..0..1
..0..1..0..0..0....1..0..0..1..1....1..1..0..1..1....0..1..0..0..0
..0..1..1..1..1....1..0..0..0..1....0..1..0..0..1....0..1..1..0..0
..0..0..0..0..1....1..1..1..0..0....0..1..0..0..1....0..0..1..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 01 2014
STATUS
approved