OFFSET
1,1
COMMENTS
Table starts
....34.....60......156.......365........801........1825.........4272
....60....170......549......1507.......4128.......11933........34337
...156....549.....2438......8699......30351......115410.......438353
...365...1507.....8699.....35765.....141619......642779......2922457
...801...4128....30351....141619.....631626.....3451108.....18564547
..1825..11933...115410....642779....3451108....23837974....159480543
..4272..34337...438353...2922457...18564547...159480543...1328499316
..9840..97374..1615572..12595119...92159926...966996539...9776128436
.22444.277073..5983278..54554391..465579244..6037654361..74163783119
.51509.791655.22387088.241207419.2426793925.39151910960.592385188191
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..480
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1) +a(n-2) +2*a(n-3) +6*a(n-4) -a(n-6) +a(n-7) -a(n-8) for n>9
k=2: [order 9] for n>10
k=3: [order 16] for n>17
k=4: [order 24] for n>27
k=5: [order 40] for n>41
k=6: [order 67] for n>71
EXAMPLE
Some solutions for n=4 k=4
..0..0..0..0..0..0....0..0..1..0..0..1....0..0..0..1..0..1....0..0..0..0..1..0
..0..1..0..0..0..0....0..0..0..0..0..0....0..0..1..0..0..0....0..0..0..0..0..0
..0..0..0..0..1..0....0..0..0..0..0..0....0..0..0..0..0..0....1..0..0..0..0..0
..0..0..0..0..0..0....0..1..0..0..0..1....0..0..0..0..0..0....0..1..0..0..0..1
..0..1..0..0..0..0....0..0..0..0..1..0....0..0..0..0..1..0....0..0..0..0..1..0
..1..0..0..0..1..0....0..0..0..0..0..0....0..1..0..1..0..0....0..0..0..0..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jul 10 2015
STATUS
approved