OFFSET
1,5
COMMENTS
Table starts
...0....1......0........3.........3...........9...........15.............31
...1....2.....12.......41.......103.........263..........656...........1618
...0...12.....60......279......1082........3931........13720..........46467
...3...41....279.....1633......8759.......43094.......202693.........919058
...3..103...1082.....8759.....63336......421214......2665301.......16203600
...9..263...3931....43094....421214.....3755997.....31821879......258976696
..15..656..13720...202693...2665301....31821879....359880117.....3910652938
..31.1618..46467...919058..16203600...258976696...3910652938....56789421603
..57.3931.153650..4057457..95738359..2046791216..41205820599...798794739075
.108.9459.499289.17554353.553426602.15814457993.424186764568.10974204206787
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..180
FORMULA
Empirical for column k:
k=1: a(n) = 3*a(n-1) -5*a(n-3) +3*a(n-5) +a(n-6)
k=2: [order 10] for n>14
k=3: [order 21] for n>28
k=4: [order 45] for n>54
EXAMPLE
Some solutions for n=4 k=4
..0..0..1..0. .0..0..0..0. .0..0..0..1. .0..1..1..1. .0..1..1..1
..0..1..0..0. .0..1..0..0. .0..0..0..0. .0..1..1..1. .1..1..1..1
..1..1..0..1. .0..0..0..0. .1..1..1..1. .0..1..0..0. .1..1..1..0
..1..1..0..0. .1..1..1..1. .1..1..1..1. .1..0..0..0. .1..1..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 28 2016
STATUS
approved