OFFSET
1,1
COMMENTS
Table starts
.....12.......38........120...........380............1204..............3816
.....38......208.......1122..........6100...........33162............180370
....120.....1122......10148.........93028..........851604...........7802386
....380.....6100......93028.......1447270........22453286.........348802846
...1204....33162.....851604......22453286.......589476522.......15503669216
...3816...180370....7802386.....348802846.....15503669216......690701197282
..12096...981092...71482990....5417785744....407656116320....30760063948568
..38344..5336678..654942820...84159480298..10720344908210..1370113260798484
.121552.29029222.6000746068.1307320968014.281914700860322.61026150956984294
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..364
FORMULA
Empirical for column k:
k=1: a(n) = 4*a(n-1) -2*a(n-2) -2*a(n-3)
k=2: a(n) = 7*a(n-1) -7*a(n-2) -10*a(n-3) +10*a(n-4) +2*a(n-5)
k=3: [order 10]
k=4: [order 19]
k=5: [order 36]
k=6: [order 71]
EXAMPLE
Some solutions for n=3 k=4
..0..0..1..0..1....0..0..0..0..0....0..1..0..0..0....0..1..0..1..1
..1..1..0..0..1....1..0..0..0..0....0..0..0..0..0....1..0..1..0..0
..0..0..0..0..1....0..0..0..0..1....1..0..1..1..0....0..0..0..0..0
..1..0..0..0..1....0..1..0..1..0....1..0..1..1..0....1..0..0..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jun 29 2015
STATUS
approved