OFFSET
1,8
COMMENTS
Every 0 is next to 0 2's, every 1 is next to 1 4's, every 2 is next to 2 3's, every 3 is next to 3 0's, every 4 is next to 4 1's.
Table starts
.1....1.....1.......1........1..........1............1..............1
.1....1.....3.......7.......17.........41...........99............239
.1....3....17......39......135........427.........1351...........4319
.1....7....39.....145......797.......3569........17175..........81389
.1...17...135.....797.....6137......40749.......289761........2025511
.1...41...427....3569....40749.....404589......4216301.......43457133
.1...99..1351...17175...289761....4216301.....65282256......993629439
.1..239..4319...81389..2025511...43457133....993629439....22331701461
.1..577.13715..385231.14215709..448071435..15177736646...503549631381
.1.1393.43607.1829101.99646153.4621262139.231779144185.11344988022025
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..264
EXAMPLE
Some solutions for n=6, k=4
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..3..0
..0..3..0..0....0..3..0..3....0..3..0..3....3..0..3..0....0..0..0..3
..0..3..0..0....0..3..0..0....0..3..0..0....0..0..3..0....0..0..3..0
..3..0..0..0....3..0..0..0....0..0..0..0....3..0..0..0....0..0..3..0
..0..0..0..3....0..0..0..3....0..0..0..3....0..0..0..0....0..0..0..3
..0..3..0..0....0..3..0..0....0..0..3..0....0..0..0..0....0..0..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Oct 06 2011
STATUS
approved