OFFSET
1,1
COMMENTS
Table starts
.....3......3..........9............22...............51.................121
.....9.....35........199..........1066.............6019...............32301
....27....104.......1672.........23055...........293426.............3476318
....81....341......18117........604133.........17145989...........450287974
...243...1189.....184115......14477600........906702319.........52334662011
...729...4040....1774344.....340593196......47260154104.......6001447087200
..2187..13560...17764558....8229274953....2527067273698.....706877889324298
..6561..45803..178471267..198816273957..135096346014359...83179007080796381
.19683.155131.1771400531.4771778176334.7180729990183315.9733054114073214077
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..127
FORMULA
Empirical for column k:
k=1: a(n) = 3*a(n-1)
k=2: [order 11] for n>12
k=3: [order 35] for n>36
Empirical for row n:
n=1: a(n) = 3*a(n-1) -3*a(n-2) +4*a(n-3) -a(n-4) +a(n-5) for n>6
n=2: [order 10]
n=3: [order 52] for n>53
EXAMPLE
Some solutions for n=3 k=4
..0..0..0..1....2..0..0..0....0..2..0..0....2..2..1..1....0..1..0..2
..1..0..1..2....2..0..0..0....0..0..0..0....1..1..2..2....2..0..0..0
..0..0..0..0....0..2..1..2....0..0..0..0....1..1..1..1....0..2..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 22 2013
STATUS
approved