OFFSET
1,2
COMMENTS
Table starts
...1.....2........4..........7............12..............21.................37
...2....10.......36........126...........454............1632...............5854
...4....36......234.......1534.........10291...........68613.............457178
...7...126.....1534......19026........240439.........3019079...........37927609
..12...454....10291.....240439.......5741797.......136204120.........3232240913
..21..1632....68613....3019079.....136204120......6093564449.......272714953724
..37..5854...457178...37927609....3232240913....272714953724.....23025368248778
..65.21010..3048314..476686533...76727059034..12210363190599...1945003010538968
.114.75412.20323497.5990217198.1821136011730.546643613178667.164274708080518128
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..312
FORMULA
Empirical for column k:
k=1: a(n) = 2*a(n-1) -a(n-2) +a(n-3)
k=2: a(n) = 3*a(n-1) +a(n-2) +4*a(n-3)
k=3: a(n) = 6*a(n-1) +28*a(n-3) +3*a(n-4) +49*a(n-5) +33*a(n-6) -34*a(n-7) -22*a(n-8)
k=4: [order 14]
k=5: [order 37]
k=6: [order 78]
EXAMPLE
Some solutions for n=5 k=4
..0..0..0..0. .0..1..1..0. .0..1..0..1. .0..1..0..0. .0..0..1..1
..1..0..1..1. .0..0..1..0. .0..1..1..1. .0..1..0..0. .1..1..1..1
..1..1..1..0. .1..1..0..1. .0..1..0..1. .1..0..0..1. .0..0..0..1
..0..1..0..0. .1..0..0..1. .1..1..0..1. .1..1..0..1. .0..0..1..1
..0..0..1..1. .0..0..1..1. .1..1..1..1. .1..1..1..0. .0..1..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 22 2017
STATUS
approved