OFFSET
1,1
COMMENTS
Table starts
.......81.......312........1240..........4752...........19128.............72736
......312......1668........8764.........44668..........224948...........1181206
.....1240......8764.......60002........343356.........2403292..........16373120
.....4752.....44668......343356.......3207808........31949604.........343405228
....19128....224948.....2403292......31949604.......501667350........7491413632
....72736...1181206....16373120.....343405228......7491413632......184415543478
...290112...6170564...122961380....3451915208....121479741228.....4464911984580
..1110080..31538382...785426128...35706407872...1880267004328...111924132471320
..4459296.160690160..5684118308..366179841668..31026163220506..2597291507415400
.16979328.838194016.38591882672.3961978247404.474035056075552.65416086570517240
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..263
FORMULA
Empirical for column k:
k=1: a(n) = 192*a(n-4) +608*a(n-6) +400*a(n-8) for n>9
k=2: [order 14]
k=3: [order 44] for n>49
k=4: [order 90] for n>94
EXAMPLE
Some solutions for n=3 k=4
..0..1..1..2..1....0..2..1..1..2....0..1..2..1..0....0..2..0..1..1
..0..0..1..1..2....0..0..0..1..1....0..1..1..2..0....0..1..2..1..0
..0..0..0..1..1....1..0..0..0..1....2..1..1..1..2....1..0..0..2..0
..1..2..2..0..1....0..1..0..2..0....1..2..0..1..0....2..0..0..1..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 09 2014
STATUS
approved