OFFSET
1,1
COMMENTS
Table starts
....3......3..........9............22................51..................121
....3.....35........104...........341..............1189.................4040
....9....104........920..........7682.............61574...............490760
...22....341.......7682........137961...........2412274.............42882766
...51...1189......61574.......2412274..........96014413...........3936913977
..121...4040.....490760......42882766........3936913977.........374409597564
..292..13560....3929027.....765163605......161357952814.......35384751611050
..704..45803...31501117...13643499478.....6602715583511.....3335789961947404
.1691.155131..252454167..243317286312...270337779895196...314852421269523851
.4059.524683.2022844426.4340128403053.11069019817530645.29721381118553717447
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..161
FORMULA
Empirical for column k:
k=1: a(n) = 3*a(n-1) -3*a(n-2) +4*a(n-3) -a(n-4) +a(n-5) for n>6
k=2: [order 11] for n>12
k=3: [order 36] for n>37
EXAMPLE
Some solutions for n=3 k=4
..0..0..0..0....0..0..0..0....0..0..2..2....2..1..1..2....2..2..0..0
..1..1..1..1....0..0..2..2....0..0..0..1....2..1..1..2....2..0..0..0
..1..1..2..2....2..0..0..0....0..2..0..0....1..1..1..2....0..0..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 12 2013
STATUS
approved