OFFSET
1,5
COMMENTS
Table starts
.1.....1.......1.........1...........1.............1................1
.1.....6......21........56.........178...........609.............1997
.1....21......94.......352........2133.........11930............60772
.1....56.....352......2272.......24367........214243..........1814475
.1...178....2133.....24367......510086.......8721984........139963008
.1...609...11930....214243.....8721984.....267542809.......7478283799
.1..1997...60772...1814475...139963008....7478283799.....364592446431
.1..6511..326592..16388418..2411616295..232289837440...20210620228470
.1.21494.1772900.145662798.41118326040.7106285417721.1091459884529060
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)
k=2: a(n) = 3*a(n-1) +5*a(n-3) -2*a(n-4) -10*a(n-5) -8*a(n-6)
k=3: [order 16]
k=4: [order 35]
EXAMPLE
Some solutions for n=4 k=4
..1..1..1..0. .0..1..1..1. .1..1..0..1. .0..1..0..0. .1..1..1..0
..0..1..0..0. .1..0..0..1. .1..0..1..1. .1..1..0..0. .1..0..1..0
..0..0..1..0. .1..0..0..1. .1..0..1..0. .0..0..1..0. .0..1..1..0
..0..1..1..0. .0..1..1..0. .0..1..0..0. .0..1..1..0. .0..0..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 21 2017
STATUS
approved