OFFSET
1,2
COMMENTS
Table starts
..1....2...3.....5......8......13........21.........34..........55
..2....4...3....13.....34......73.......203........594........1443
..3....3...3.....9.....19......59.......129........355.........891
..5...13...9....80....220.....518......2466.......8609.......26954
..8...34..19...220...1637....4320.....30072.....206967......903664
.13...73..59...518...4320...18775....153289....1162345.....7133776
.21..203.129..2466..30072..153289...1841903...19059670...151628931
.34..594.355..8609.206967.1162345..19059670..326461365..3425833703
.55.1443.891.26954.903664.7133776.151628931.3425833703.50773963070
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..199
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 17] for n>18
k=4: [order 69] for n>70
EXAMPLE
Some solutions for n=5 k=4
..0..0..1..0. .0..0..1..0. .0..1..0..0. .0..1..1..0. .0..1..0..1
..0..0..0..1. .0..0..1..0. .1..0..0..0. .1..1..1..0. .0..1..0..1
..1..0..0..0. .1..0..1..1. .1..1..1..1. .0..1..1..1. .1..1..1..1
..0..0..0..1. .0..0..1..1. .0..1..0..0. .1..1..1..1. .0..1..0..1
..0..0..1..0. .1..0..0..0. .0..1..0..0. .1..1..0..0. .0..1..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 23 2018
STATUS
approved