OFFSET
1,5
COMMENTS
Table starts
.0....0.......0.........0.............0..............0...............0
.0....2......14........40...........356...........1840...........10128
.0....2......50.......136..........2820..........38000..........421920
.0...16.....784......6400........523936.......18937480.......696453136
.0...34....5098.....71944......18655220.....1782634608....190102522528
.0..154...54426...1866192....1480839364...417868659864.131563996224512
.0..432..441392..32292680...79624748768.61990953794520
.0.1618.4164402.679262904.5187293040908
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..83
FORMULA
Empirical for column k:
k=2: a(n) = 2*a(n-1) +6*a(n-2) -5*a(n-3)
k=3: [order 11]
k=4: [order 36]
Empirical for row n:
n=2: a(n) = 3*a(n-1) +12*a(n-2) +30*a(n-3) -64*a(n-4) +16*a(n-5)
n=3: [order 35]
EXAMPLE
Some solutions for n=3 k=4
..0..1..2..3....0..3..2..1....0..1..0..3....0..1..0..1....0..3..0..3
..2..3..0..3....2..1..0..1....0..3..2..3....2..3..2..3....0..1..2..3
..2..1..2..1....2..3..2..1....2..1..0..3....2..1..0..1....0..3..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 03 2013
STATUS
approved