OFFSET
1,1
COMMENTS
Column 3 of A183362
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=3*a(n-1) for n>2
EXAMPLE
Some solutions for 5X3 with a(1,1)=1
..1..1..4....1..1..2....1..4..2....1..2..4....1..1..4....1..3..3....1..2..4
..4..2..2....2..4..3....1..3..2....4..2..1....3..2..4....2..4..1....1..2..4
..3..3..1....2..4..3....2..3..4....4..3..3....3..2..1....2..4..1....3..3..1
..2..4..4....1..1..2....2..1..4....2..1..4....4..4..3....1..3..2....2..4..1
..1..1..3....4..3..2....4..1..3....3..1..4....2..1..3....1..3..2....1..4..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2011
STATUS
approved