OFFSET
1,2
COMMENTS
Every 0 is next to 0 4's, every 1 is next to 1 1's, every 2 is next to 2 0's, every 3 is next to 3 2's, every 4 is next to 4 3's
Table starts
...1......2.........4...........6.............12................22
...2.....11........38.........136............496..............1792
...4.....38.......210........1416...........9199.............60206
...6....136......1416.......18060.........220433...........2711711
..12....496......9199......220433........5039158.........115982718
..22...1792.....60206.....2711711......115982718........4998342821
..40...6440....393585....33344883.....2668162530......215125975535
..74..23306...2575161...410312728....61397041229.....9264434681345
.136..84180..16853437..5047886243..1412800280934...398999272140802
.250.303664.110272832.62090427845.32510004942226.17183027304906341
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..144
EXAMPLE
Some solutions for n=6 k=4
..0..0..0..0....0..0..0..2....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..1..0....0..0..0..2
..2..0..0..0....1..2..1..1....0..1..1..0....1..0..1..0....2..0..0..1
..2..0..1..2....1..0..0..2....1..0..0..0....1..2..0..0....1..2..2..1
..0..0..1..0....0..0..0..0....1..2..1..0....0..1..0..0....1..0..0..2
..1..1..0..0....0..2..2..0....0..0..1..0....0..1..2..0....0..0..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Oct 08 2011
STATUS
approved