OFFSET
1,8
COMMENTS
Every 0 is next to 0 4's, every 1 is next to 1 3's, every 2 is next to 2 1's, every 3 is next to 3 0's, every 4 is next to 4 2's
Table starts
.1....1......1........1...........1.............1...............1
.1....1......3........7..........17............41..............99
.1....3.....20.......71.........286..........1176............4768
.1....7.....71......401........2975.........20191..........141833
.1...17....286.....2975.......37194........447668.........5598122
.1...41...1176....20191......447668.......9855864.......216042764
.1...99...4768...141833.....5598122.....216042764......8351540397
.1..239..19265...986015....68526999....4683808777....321111082107
.1..577..78414..6866117...842919460..102440829474..12356839088825
.1.1393.318016.47832829.10357555484.2232503865348.475267463574534
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..180
EXAMPLE
Some solutions for n=6 k=4
..0..3..0..0....0..3..0..0....0..0..0..0....0..0..0..0....0..1..0..0
..0..0..3..0....0..0..3..1....0..3..0..3....0..0..0..0....0..3..0..0
..0..1..1..0....0..0..0..0....0..3..0..0....0..0..0..3....3..0..3..1
..0..3..0..0....3..0..3..0....3..0..0..0....0..0..0..0....0..0..0..0
..3..0..3..1....0..0..1..0....0..0..0..0....3..0..0..3....1..3..0..3
..0..0..0..0....0..3..0..0....0..0..0..0....0..3..0..0....0..0..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Oct 07 2011
STATUS
approved