OFFSET
1,2
COMMENTS
Table starts
...1....2.....4......8.....16......32.......64.......128.......256........512
...2....7....18.....50....138.....383.....1063......2951......8193......22748
...4...18....52....143....412....1225.....3699.....11243.....34012.....102446
...8...50...143....499...1513....4686....14822.....46717....149232.....478952
..16..138...412...1513...5837...19412....66166....233796....816547....2856851
..32..383..1225...4686..19412...77582...291721...1136238...4513729...17926620
..64.1063..3699..14822..66166..291721..1296506...5589526..24694845..110652439
.128.2951.11243..46717.233796.1136238..5589526..28067098.138863892..695711878
.256.8193.34012.149232.816547.4513729.24694845.138863892.789286221.4445350963
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..220
FORMULA
Empirical for column k:
k=1: a(n) = 2*a(n-1)
k=2: a(n) = 3*a(n-1) -a(n-2) +a(n-3) +a(n-4) -2*a(n-5) -a(n-6)
k=3: [order 24] for n>25
k=4: [order 83] for n>86
EXAMPLE
Some solutions for n=5 k=4
..0..1..0..0. .0..1..0..1. .0..0..1..1. .0..1..1..1. .0..0..1..1
..1..0..1..1. .1..0..1..0. .1..0..1..0. .1..0..0..0. .1..0..0..1
..0..1..0..1. .0..1..0..1. .0..1..1..1. .1..1..1..0. .1..1..0..0
..0..1..0..0. .1..0..1..1. .1..1..0..0. .0..0..1..0. .0..0..0..1
..0..1..1..1. .0..1..1..1. .0..1..0..1. .1..0..1..0. .1..0..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Mar 07 2018
STATUS
approved