OFFSET
1,1
COMMENTS
Table starts
...2.....3......6......12.......24.......47.......94.......187......373.....745
...3.....5.....13......31.......85......223......669......1733.....4805...13777
...6....13.....60.....238.....1148.....5057....26546....110661...511785.2491813
..12....31....238....1306....10747....77490...778464...4345849.31098659
..24....85...1148...10747...164087..2091976.40276976.430768569
..47...223...5057...77490..2091976.45391152
..94...669..26546..778464.40276976
.187..1733.110661.4345849
.373..4805.511785
.745.13777
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..71
FORMULA
Empirical for column k:
k=1: a(n) = 3*a(n-1) -2*a(n-2) -a(n-5) +3*a(n-6) -2*a(n-7).
k=2: [order 29].
EXAMPLE
Some solutions for n=5, k=4
..1..1..0..0..0..1..1....0..1..0..1..1..0..0....0..0..0..1..0..1..1
..0..0..0..0..0..0..0....1..0..0..0..0..1..0....0..0..0..1..0..1..1
..1..1..0..0..0..1..1....0..1..1..0..1..1..1....0..1..1..0..1..1..1
..1..1..0..0..0..1..1....0..1..0..1..1..0..0....0..0..0..1..0..1..1
..1..0..0..1..1..0..1....0..1..0..1..1..0..0....0..0..0..1..0..1..1
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..1..0..1..1
..1..0..0..1..1..0..1....1..1..0..1..1..1..0....0..0..0..0..0..0..0
..1..0..0..1..1..0..1....0..1..1..0..1..1..1....0..1..1..0..1..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Sep 15 2015
STATUS
approved