OFFSET
1,5
COMMENTS
Table starts
.0....0....0.....0.....0......0.......0........0........0.........0..........0
.0....3....5....18....61....209.....702.....2381.....8069.....27330......92581
.0....5....2....20....27....108.....191......599.....1261......3503.......8019
.0...18...20...138...343...1744....5563....23963....85439....343499....1279385
.0...61...27...343...349...2809....4619....29475....59695....312565.....749915
.0..209..108..1744..2809..19068...55382...273621...934066...4202604...15472710
.0..702..191..5563..4619..55382...99205...713542..1964803..10454428...36456925
.0.2381..599.23963.29475.273621..713542..5047477.16751184.100553061..399751263
.0.8069.1261.85439.59695.934066.1964803.16751184.58634971.399564046.1713589379
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..287
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1)
k=2: a(n) = 3*a(n-1) +a(n-2) +2*a(n-3) -2*a(n-4) -4*a(n-5) for n>6
k=3: [order 16] for n>18
k=4: [order 31] for n>35
k=5: [order 93] for n>97
EXAMPLE
Some solutions for n=5 k=4
..0..0..1..0. .0..1..0..0. .0..1..0..1. .0..1..0..1. .0..1..0..1
..1..1..1..0. .0..1..1..1. .1..0..0..0. .0..1..1..0. .0..1..1..0
..0..1..0..1. .0..1..1..0. .0..1..1..0. .1..1..1..0. .0..1..1..1
..1..0..0..0. .0..1..1..0. .1..1..1..1. .0..1..1..0. .0..1..1..0
..0..1..0..1. .1..0..0..1. .0..0..1..0. .1..0..1..0. .0..1..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Apr 28 2018
STATUS
approved