OFFSET
1,1
COMMENTS
Column 1 of A237015
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 8*a(n-1) +16*a(n-2) -268*a(n-3) +189*a(n-4) +3388*a(n-5) -5824*a(n-6) -20048*a(n-7) +49756*a(n-8) +52752*a(n-9) -196896*a(n-10) -24192*a(n-11) +369216*a(n-12) -131328*a(n-13) -262656*a(n-14) +165888*a(n-15)
EXAMPLE
Some solutions for n=5
..3..0....1..2....1..1....2..3....0..1....1..1....3..2....1..3....2..3....2..1
..3..0....2..1....0..2....3..0....1..0....2..0....2..0....1..1....1..3....0..3
..0..3....3..0....2..0....2..3....1..0....2..0....2..3....1..3....3..2....2..1
..3..0....0..3....2..0....1..2....0..1....2..0....0..2....1..1....1..3....1..2
..3..0....3..0....1..1....3..2....1..0....0..2....2..3....1..3....2..3....3..0
..2..1....2..1....0..2....3..0....1..0....1..1....1..1....0..2....1..3....1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 02 2014
STATUS
approved