OFFSET
1,5
COMMENTS
Table starts
..0....1....1.....2.......3.........5..........8...........13............21
..1....3...11....10......51.......165........306..........993..........2867
..1...11...16....34.....113.......275........604.........1804..........4683
..2...10...34....72.....331......1425.......5297........18573.........84658
..3...51..113...331....3087.....16382......66575.......500251.......3416740
..5..165..275..1425...16382....139293.....976178.....10070845.....106916450
..8..306..604..5297...66575....976178...12236682....164577403....2930093529
.13..993.1804.18573..500251..10070845..164577403...4139589568..113829450853
.21.2867.4683.84658.3416740.106916450.2930093529.113829450853.4957413596069
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..180
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1) +a(n-2)
k=2: a(n) = a(n-1) +3*a(n-2) +8*a(n-3) -4*a(n-4) -16*a(n-5) for n>6
k=3: [order 18] for n>20
k=4: [order 64] for n>66
EXAMPLE
Some solutions for n=5 k=4
..0..1..0..0. .0..1..0..1. .0..1..1..0. .0..0..1..0. .0..0..0..0
..0..0..1..0. .0..1..0..1. .0..1..1..0. .1..0..0..0. .1..1..0..1
..1..0..1..0. .1..1..1..1. .1..1..1..1. .0..0..0..1. .0..0..0..0
..1..0..0..0. .1..1..1..0. .0..1..1..0. .0..0..1..0. .0..0..0..0
..0..0..1..0. .1..0..1..1. .0..1..1..1. .1..1..1..1. .0..1..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jun 25 2018
STATUS
approved