OFFSET
1,8
COMMENTS
Table starts
.0.....0........0..........0.............0...............0..................0
.0.....0........5.........18............89.............408...............1754
.0.....5.......40........483..........4328...........36425.............297210
.0....18......483.......8208........127603.........1905024...........27253740
.0....89.....4328.....127603.......3648818........97464193.........2496089344
.0...408....36425....1905024......97464193......4672345728.......213243466320
.0..1754...297210...27253740....2496089344....213243466320.....17282935743792
.0..7528..2327123..376888612...61848450513...9416926688594...1356909122451366
.0.31798.17768964.5103365490.1496483484838.405614428281622.103825223863665136
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..179
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1)
k=2: [order 18]
k=3: [order 27]
k=4: [order 51]
EXAMPLE
Some solutions for n=4 k=4
..0..1..1..1. .1..0..0..1. .0..1..1..0. .1..0..1..0. .1..0..1..1
..1..1..0..0. .1..0..0..1. .0..0..0..1. .0..1..0..0. .1..1..0..0
..1..0..1..1. .1..1..0..0. .1..1..0..0. .0..1..1..1. .0..1..1..0
..1..1..0..0. .1..1..0..0. .1..1..1..0. .0..1..0..1. .1..1..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 16 2017
STATUS
approved