OFFSET
1,2
COMMENTS
Table starts
..1...2...3....5.....8....13.....21......34......55.......89.......144
..2...5...7...17....35....61....127.....265.....507.....1013......2071
..3...7..10...17....36....69....129.....260.....544.....1125......2348
..5..17..17...42....89...187....430....1046....2407.....5706.....13873
..8..35..36...89...251...621...1568....4269...11869....33451.....95326
.13..61..69..187...621..1811...5265...17004...54443...174625....570128
.21.127.129..430..1568..5265..18978...73409..276005..1055277...4099795
.34.265.260.1046..4269.17004..73409..336604.1492856..6793881..31252764
.55.507.544.2407.11869.54443.276005.1492856.7870292.42144065.228096346
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) +a(n-2)
k=2: a(n) = 2*a(n-1) -a(n-2) +4*a(n-3) -4*a(n-4) for n>5
k=3: [order 15]
k=4: [order 45] for n>48
EXAMPLE
Some solutions for n=5 k=4
..0..0..0..0. .0..1..1..0. .0..1..1..0. .0..0..0..0. .0..0..0..0
..0..1..0..0. .1..1..1..1. .0..0..0..0. .0..0..0..0. .0..0..0..0
..0..0..0..0. .1..1..1..1. .1..1..0..0. .0..1..0..0. .0..0..0..0
..1..1..1..0. .1..1..1..0. .0..0..0..0. .0..0..0..0. .0..0..0..1
..0..1..1..1. .1..1..0..0. .0..1..1..0. .0..0..0..0. .0..0..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jul 06 2018
STATUS
approved