OFFSET
1,1
COMMENTS
Table starts
.....9.....21.......49.......115.........269..........631...........1477
....21.....63......191.......589........1807.........5569..........17119
....49....191......758......3089.......12503........50912.........206715
...115....589.....3089.....16911.......91777.......502971........2746607
...269...1807....12503.....91777......666522......4907873.......35978029
...631...5569....50912....502971.....4907873.....48781920......482274751
..1477..17119...206715...2746607....35978029....482274751.....6424279907
..3463..52713...840931..15040763...264753513...4791965557....86110233175
..8109.162143..3417338..82261821..1945208633..47523048960..1151625700234
.19007.499081.13896689.450304289.14308155872.471984045011.15428988432635
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..364
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1) +4*a(n-2) -2*a(n-3)
k=2: a(n) = 3*a(n-1) +4*a(n-2) -12*a(n-3) +4*a(n-5)
k=3: [order 9]
k=4: [order 16]
k=5: [order 32]
k=6: [order 62]
EXAMPLE
Some solutions for n=4 k=4
..1..1..1..0..1....0..0..1..0..0....1..1..0..1..0....1..1..1..1..0
..1..1..1..1..1....0..1..1..1..0....0..1..1..1..1....1..1..0..1..1
..1..0..1..1..0....0..0..1..1..1....1..1..0..1..1....0..1..1..1..1
..1..1..1..0..0....0..1..1..0..1....1..0..0..0..1....0..0..1..1..0
..1..0..1..1..0....1..1..1..1..1....0..0..1..0..0....1..0..0..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 30 2014
STATUS
approved