OFFSET
1,5
COMMENTS
Table starts
..0.....1.......1..........2............3..............5.................8
..1.....3......11.........37..........129............450..............1568
..1....11......71........450.........2879..........18365............117146
..2....37.....450.......5232........61561.........724165...........8514930
..3...129....2879......61561......1338834.......29114990.........632777378
..5...450...18365.....724165.....29114990.....1170734982.......47042626155
..8..1568..117146....8514930....632777378....47042626155.....3494400946777
.13..5464..747252..100122064..13752553340..1890308500802...259582877324570
.21.19041.4766519.1177281510.298894998879.75958861124241.19283328543117575
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) +a(n-2)
k=2: a(n) = 4*a(n-1) -2*a(n-2) +a(n-3) -a(n-4) for n>5
k=3: [order 8] for n>10
k=4: [order 41] for n>42
EXAMPLE
Some solutions for n=5 k=4
..0..1..1..1. .0..1..1..0. .0..0..1..0. .0..0..1..0. .0..0..0..1
..0..1..0..0. .0..1..1..0. .0..1..0..1. .1..1..0..1. .1..1..0..1
..1..1..0..1. .1..0..0..0. .1..0..1..0. .0..1..1..1. .1..0..1..1
..0..0..1..1. .0..1..0..0. .0..1..0..1. .0..0..0..0. .0..0..0..1
..0..0..1..1. .0..1..1..0. .0..1..1..1. .1..1..1..1. .1..1..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Mar 08 2018
STATUS
approved