OFFSET
1,5
COMMENTS
Table starts
.1..1...1....1.....1.......1........1.........1..........1...........1
.1..2...3....4.....6.......9.......13........19.........28..........41
.1..3...8...14....25......53......111.......217........426.........860
.1..4..14...42...108.....284......777......2146.......5887.......16061
.1..6..25..108...438....1597.....5831.....21717......81590......307267
.1..9..53..284..1597....8241....40924....205338....1042704.....5314555
.1.13.111..777..5831...40924...279663...1900344...12981261....89115875
.1.19.217.2146.21717..205338..1900344..17574795..162114347..1498926338
.1.28.426.5887.81590.1042704.12981261.162114347.2023191364.25252046266
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..311
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1)
k=2: a(n) = a(n-1) +a(n-3)
k=3: a(n) = 2*a(n-1) -a(n-2) +2*a(n-3) +a(n-4) -2*a(n-5)
k=4: [order 13]
k=5: [order 32]
k=6: [order 85]
EXAMPLE
Some solutions for n=6 k=4
..0..1..1..0. .1..1..1..0. .0..1..1..0. .0..1..1..1. .1..1..1..0
..0..1..1..0. .1..0..1..0. .0..1..1..0. .0..1..0..1. .1..0..1..1
..0..0..0..0. .1..0..1..0. .0..0..0..0. .0..1..0..1. .1..1..0..1
..0..0..1..1. .1..0..1..0. .0..0..1..1. .1..1..0..1. .0..1..0..1
..0..0..1..1. .1..0..1..0. .0..1..1..1. .1..0..1..1. .0..1..0..1
..0..0..0..0. .1..1..1..0. .0..1..1..0. .1..1..1..0. .0..1..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 16 2017
STATUS
approved