OFFSET
1,1
COMMENTS
Table starts
....2.......4..........8............16...............32...................64
....4......20.........92...........418.............1898.................8588
...10.....112.......1182.........12246...........127454..............1320102
...22.....560......13476........320314..........7629186............181039448
...50....2874.....158728.......8634040........471203608..........25594620082
..114...14788....1864886.....232304146......29007348454........3608789598890
..258...75540...21813374....6219477628....1778793691226......506611939408296
..586..387306..255830770..167002115382..109328664988704....71303275040032094
.1330.1983686.2997975560.4480024646968.6715782662219974.10028169382114414238
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..180
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1) +2*a(n-2) +2*a(n-3)
k=2: [order 10]
k=3: [order 35]
Empirical for row n:
n=1: a(n) = 2*a(n-1)
n=2: a(n) = 3*a(n-1) +12*a(n-2) -18*a(n-3) -29*a(n-4) +19*a(n-5) +38*a(n-6) +8*a(n-7)
n=3: [order 25]
n=4: [order 91]
EXAMPLE
Some solutions for n=3 k=4
..3..1..3..1....3..0..1..3....1..0..3..3....3..0..0..0....1..0..3..3
..2..1..2..0....2..1..1..2....1..0..3..3....2..0..3..0....1..3..2..0
..1..3..1..0....2..1..1..1....1..0..3..3....2..1..2..3....1..0..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Mar 23 2014
STATUS
approved