OFFSET
1,1
COMMENTS
Table starts
....34.....67.....155.......353........808........1884.........4340
....67....146.....439......1187.......3227........8964........24719
...155....439....1603......5449......18681.......64891.......222813
...353...1187....5449.....22622......95505......410928......1749180
...808...3227...18681.....95505.....501606.....2680028.....14134043
..1884...8964...64891....410928....2680028....17818241....116786951
..4340..24719..222813...1749180...14134043...116786951....949570630
..9925..67952..764865...7428045...74413321...764080109...7710610630
.22799.187266.2637815..31652938..393674107..5022583984..62925603555
.52515.516133.9090487.134864351.2081832486.33001259193.513205618429
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..449
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1) +3*a(n-3) +5*a(n-4) +6*a(n-5) +6*a(n-6) +2*a(n-7) for n>8
k=2: [order 8] for n>9
k=3: [order 15] for n>16
k=4: [order 23] for n>25
k=5: [order 43] for n>44
k=6: [order 71] for n>73
EXAMPLE
Some solutions for n=4 k=4
..0..0..0..0..0..1....1..0..0..0..0..0....0..0..1..0..0..0....0..1..0..0..0..0
..0..1..0..0..1..0....0..0..0..1..0..0....0..0..0..0..1..0....0..0..0..1..0..0
..0..0..0..0..0..0....0..1..0..0..0..0....0..1..0..0..0..0....0..0..0..0..0..0
..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0
..0..0..1..0..0..0....0..0..0..0..1..0....1..0..0..0..0..0....1..0..0..0..0..0
..1..0..0..0..0..1....1..0..0..0..0..0....0..0..0..0..1..0....0..0..0..0..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jul 10 2015
STATUS
approved