OFFSET
1,5
COMMENTS
Every 0 is next to 0 2's, every 1 is next to 1 2's, every 2 is next to 2 2's, every 3 is next to 3 2's, every 4 is next to 4 2's
Table starts
.1..1...1...1....1....1.....1......1......1.......1........1........1.........1
.1..2...3...4....5....7....10.....14.....19......26.......36.......50........69
.1..3...6..10...14...22....38.....67....111.....179......291......485.......812
.1..4..10..18...28...47....93....189....357.....640.....1156.....2162......4102
.1..5..14..28...48...90...200....447....937....1881.....3813.....7947.....16720
.1..7..22..47...90..211...547...1364...3190....7411....17630....42520....101976
.1.10..38..93..200..547..1685...4932..13343...35901....99603...280909....785677
.1.14..67.189..447.1364..4932..17107..53799..165149...524549..1712026...5562691
.1.19.111.357..937.3190.13343..53799.194842..681597..2466587..9217291..34398833
.1.26.179.640.1881.7411.35901.165149.681597.2735810.11384350.48773880.208190334
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..419
EXAMPLE
Some solutions for n=6 k=4
..0..0..1..1....0..0..0..0....0..0..0..0....0..0..0..0....0..1..2..2
..0..1..2..2....0..0..0..0....1..1..0..0....1..1..1..1....0..1..2..2
..0..1..2..2....0..0..0..0....2..2..1..0....2..2..2..2....0..0..1..1
..1..1..1..1....1..1..0..0....2..2..1..0....2..3..3..2....0..1..1..0
..2..2..1..0....2..2..1..0....1..1..0..0....2..2..2..2....1..2..2..1
..2..2..1..0....2..2..1..0....0..0..0..0....1..1..1..1....1..2..2..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Oct 09 2011
STATUS
approved