OFFSET
1,5
COMMENTS
Table starts
.1....1.....1.......1.........1...........1.............1...............1
.1....4.....8......17........46.........114...........289.............757
.1....8....24......82.......316........1182..........4560...........17508
.1...17....82.....444......2868.......17783........110554..........688248
.1...46...316....2868.....35561......368770.......3939121........42629909
.1..114..1182...17783....368770.....6200926.....107541673......1896487480
.1..289..4560..110554...3939121...107541673....3068113721.....90097748288
.1..757.17508..688248..42629909..1896487480...90097748288...4427644444522
.1.1964.67310.4288144.457078213.33169242951.2600708602697.211857339895816
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..263
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1)
k=2: [order 9]
k=3: [order 20]
k=4: [order 52]
EXAMPLE
Some solutions for n=5 k=4
..1..1..0..0. .1..1..1..1. .0..0..0..0. .0..1..1..1. .0..1..0..0
..1..1..1..1. .1..0..1..0. .1..1..0..0. .1..0..0..1. .1..1..0..0
..0..0..1..0. .0..0..0..0. .1..1..0..0. .1..1..0..1. .1..0..1..0
..0..1..0..1. .1..1..0..1. .0..1..1..1. .0..1..0..1. .1..1..1..0
..0..1..1..1. .1..0..1..1. .0..0..1..1. .1..1..1..1. .0..0..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 11 2017
STATUS
approved