OFFSET
1,1
COMMENTS
Column 3 of A241328
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 45*a(n-1) -171*a(n-2) -57*a(n-3) -1321*a(n-4) +2701*a(n-5) +10837*a(n-6) +5209*a(n-7) +13262*a(n-8) -1578*a(n-9) -7272*a(n-10) -5706*a(n-11) -17487*a(n-12) -2511*a(n-13) +4779*a(n-14) -729*a(n-15)
EXAMPLE
Some solutions for n=4
..0..1..0....0..1..2....0..1..2....0..1..0....0..1..2....0..1..0....0..1..1
..0..2..3....3..0..0....0..2..0....2..0..1....3..0..1....1..2..3....2..1..1
..3..2..3....1..0..0....1..3..0....0..1..0....0..2..3....1..2..0....2..3..0
..2..1..3....1..2..3....0..1..0....3..0..2....0..2..3....0..3..0....3..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 19 2014
STATUS
approved