OFFSET
1,5
COMMENTS
Table starts
..0....1.....1......2.......3........5........8........13.........21
..1....7....16.....45.....120......333......928......2613.......7400
..1...16....38....103.....281......826.....2421......7104......20732
..2...45...103....370....1318.....4449....16187.....57097.....204138
..3..120...281...1318....5162....20979....87747....363807....1503951
..5..333...826...4449...20979....99733...488944...2363993...11464178
..8..928..2421..16187...87747...488944..2820436..16004647...90893514
.13.2613..7104..57097..363807..2363993.16004647.106817959..709737869
.21.7400.20732.204138.1503951.11464178.90893514.709737869.5516875986
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..219
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1) +a(n-2)
k=2: a(n) = 2*a(n-1) +5*a(n-2) -2*a(n-3) -12*a(n-4) -8*a(n-5) for n>6
k=3: [order 20]
k=4: [order 66] for n>67
EXAMPLE
Some solutions for n=5 k=4
..0..0..1..0. .0..1..1..0. .0..1..1..0. .0..0..0..1. .0..0..0..0
..1..0..0..0. .0..0..1..1. .1..1..1..1. .0..1..0..1. .1..0..0..1
..0..0..0..1. .0..1..1..0. .1..1..1..1. .1..1..1..0. .0..0..0..0
..0..0..0..0. .1..0..0..0. .0..1..1..0. .0..1..1..0. .1..0..0..1
..1..0..1..0. .0..1..1..1. .0..0..1..1. .1..1..1..0. .0..0..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, May 04 2018
STATUS
approved