OFFSET
1,1
COMMENTS
Table starts
..2.....2........4...........4..............8...............8...............16
..2.....4.......18..........44............184.............444.............1826
..4....18......172.........866...........7326...........35042...........291982
..4....44......866........8456.........143682.........1352558.........22643786
..8...184.....7326......143682........4934092........92600224.......3120733284
..8...444....35042.....1352558.......92600224......3462370700.....233738937688
.16..1826...291982....22643786.....3120733284....233738937688...31675283550406
.16..4388..1387224...211572262....58052954898...8672268288766.2350783897073214
.32.18022.11520638..3529400774..1946100075968.582902538705858
.32.43300.54650290.32917918872.36103692985126
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..111
FORMULA
Empirical for column k:
k=1: a(n) = 2*a(n-2)
k=2: a(n) = 12*a(n-2) -24*a(n-4) +31*a(n-6) -16*a(n-8)
k=3: [order 48]
EXAMPLE
Some solutions for n=4 k=4
..3..3..1..3....1..1..3..1....3..3..3..1....3..3..1..3....3..3..1..3
..3..0..0..0....1..0..2..2....3..2..0..0....3..0..0..2....3..0..2..2
..1..0..2..0....3..0..0..2....3..0..2..2....1..0..0..0....1..0..2..2
..3..0..0..3....1..2..2..2....1..2..0..0....3..2..1..1....3..2..1..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Apr 03 2014
STATUS
approved