OFFSET
1,2
COMMENTS
Every 0 is next to 0 4's, every 1 is next to 1 0's, every 2 is next to 2 3's, every 3 is next to 3 2's, every 4 is next to 4 1's
Table starts
..1...3...4....5.....8......12.......17........25.........37..........54
..3...5...8...11....18......28.......43........67........105.........164
..4...8...7...14....17......27.......42........58.........94.........137
..5..11..14...35....70.....136......305.......611.......1321........2832
..8..18..17...70...151.....557.....2351......6926......16083.......43523
.12..28..27..136...557....5955....38826....128960.....351238.....1374515
.17..43..42..305..2351...38826...299659...1231691....5238322....26129353
.25..67..58..611..6926..128960..1231691...8943355...60285931...301902500
.37.105..94.1321.16083..351238..5238322..60285931..528624118..3818152063
.54.164.137.2832.43523.1374515.26129353.301902500.3818152063.48720477449
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..220
EXAMPLE
Some solutions for n=6 k=4
..0..1..1..0....1..1..0..1....1..1..0..1....1..0..0..0....1..0..0..1
..0..1..1..0....0..1..1..1....0..1..1..1....1..1..1..1....1..1..1..1
..0..1..1..0....0..1..1..0....0..1..1..0....0..1..4..1....0..1..1..0
..1..4..1..0....1..1..1..1....1..4..1..0....0..1..1..0....0..1..1..0
..1..1..1..0....1..0..0..1....1..1..1..0....1..1..1..1....1..1..1..0
..0..0..1..1....1..0..0..1....0..0..1..1....1..0..0..1....1..0..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Oct 03 2011
STATUS
approved