OFFSET
1,5
COMMENTS
Table starts
.0.....0.......0..........0.............0................0...................0
.0.....2.......5.........13............43..............137.................436
.0.....5......18........126...........737.............4551...............27692
.0....13.....126.......1476.........17396...........205363.............2419304
.0....43.....737......17396........396024..........9120939...........209105063
.0...137....4551.....205363.......9120939........408355632.........18218081491
.0...436...27692....2419304.....209105063......18218081491.......1580935773900
.0..1394..169131...28515138....4797179760.....813097394374.....137264328312479
.0..4458.1032173..336046126..110034231906...36285966496008...11916307472109969
.0.14258.6300804.3960336818.2523955236624.1619341940295084.1034507705866421424
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..287
FORMULA
Empirical for column k:
k=2: a(n) = 3*a(n-1) +a(n-2) -3*a(n-4) -2*a(n-5) -a(n-6) for n>7
k=3: [order 16] for n>18
k=4: [order 40] for n>41
EXAMPLE
Some solutions for n=4 k=4
..0..1..1..0. .0..0..1..1. .0..1..1..1. .0..0..0..0. .0..1..1..0
..0..1..0..0. .1..1..0..1. .0..1..0..0. .1..1..1..1. .0..0..0..1
..1..0..1..0. .0..0..0..1. .1..1..0..1. .1..0..1..1. .0..1..1..1
..0..0..1..1. .1..1..0..0. .1..0..0..1. .1..0..0..1. .0..0..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 13 2016
STATUS
approved