OFFSET
1,8
COMMENTS
Table starts
.0.....0.......0........0.........0..........0..........0...........0
.0.....0.......5.......18........85........346.......1388........5454
.0.....5......40......477......3237......17806......84443......363824
.0....18.....477.....4744.....27229.....136138.....619502.....2648442
.0....85....3237....27229....163762.....865821....4098895....18213313
.0...346...17806...136138....865821....4716420...22796763...102696802
.0..1388...84443...619502...4098895...22796763..111826676...511077328
.0..5454..363824..2648442..18213313..102696802..511077328..2367603544
.0.21171.1461206.10801150..76987169..438513869.2213577238.10381031459
.0.81250.5575913.42551822.312665502.1799338352.9219387478.43770186654
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..219
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1)
k=2: [order 15]
k=3: [order 27] for n>32
k=4: [order 54] for n>61
EXAMPLE
Some solutions for n=4 k=4
..0..1..0..0. .0..1..0..0. .0..1..0..0. .0..1..0..1. .0..1..1..0
..0..0..0..1. .1..1..0..1. .0..0..1..0. .0..0..0..0. .1..1..0..0
..1..1..1..0. .1..0..0..1. .0..1..0..1. .0..1..1..1. .0..1..0..1
..0..1..0..0. .1..1..1..1. .1..0..0..0. .1..1..0..1. .1..0..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 16 2017
STATUS
approved