OFFSET
1,8
COMMENTS
Every 0 is next to 0 1's, every 1 is next to 1 2's, every 2 is next to 2 4's, every 3 is next to 3 0's, every 4 is next to 4 3's
Table starts
.1....1.....1.......1........1..........1...........1.............1
.1....1.....3.......7.......17.........41..........99...........239
.1....3....16......37......116........356........1068..........3217
.1....7....37.....129......667.......2783.......12515.........55513
.1...17...116.....667.....4529......26558......170468.......1067723
.1...41...356....2783....26558.....231416.....2094496......18642341
.1...99..1068...12515...170468....2094496....26951945.....343022617
.1..239..3217...55513..1067723...18642341...343022617....6221649467
.1..577..9717..245289..6694705..166805183..4375049733..112879214573
.1.1393.29312.1088893.41981191.1491811906.55715523106.2048333153257
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..420
EXAMPLE
Some solutions for n=6 k=4
..0..0..3..0....0..0..0..0....0..3..0..0....0..0..3..0....0..0..3..0
..0..0..0..3....3..0..0..3....3..0..3..0....0..0..0..3....3..0..0..0
..0..3..0..0....0..3..3..0....0..0..3..0....0..3..0..0....0..0..0..3
..0..3..0..0....3..0..0..0....0..0..0..3....0..3..0..0....0..0..0..0
..3..0..0..3....0..3..3..0....0..0..0..0....3..0..0..0....0..0..0..3
..0..3..0..0....0..0..0..0....0..0..3..0....0..3..0..0....0..3..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Oct 04 2011
STATUS
approved