OFFSET
1,1
COMMENTS
Table starts
.....12........116............782...............5008..................34302
.....36........864..........13090.............191086................3025468
....144......13456.........611524...........25080064.............1176627204
....540.....176224.......22636472.........2531484558...........330899764092
...2052....2391340......873385842.......265992385206.........98434762200590
...7776...32225410....33476445936.....27816714540010......29028870095730324
..29484..434883190..1285018853980...2912187511240098....8576772023696061986
.111780.5866480970.49292627209040.304661966072695432.2532114793289297959122
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..83
FORMULA
Empirical for column k:
k=1: a(n) = 3*a(n-1) +3*a(n-2)
k=2: [order 29]
Empirical for row n:
n=1: [linear recurrence of order 18]
EXAMPLE
Some solutions for n=2 k=4
..1..2..2..2..1....0..0..1..1..0....0..0..0..3..3....0..0..2..3..3
..3..3..1..0..0....2..2..2..3..3....1..1..2..2..1....2..2..0..0..0
..1..2..2..3..3....0..1..1..0..0....0..3..3..3..0....0..1..3..3..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Mar 07 2014
STATUS
approved