OFFSET
1,1
COMMENTS
Column 2 of A198452
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n) = 20*a(n-1) -94*a(n-2) -208*a(n-3) +1351*a(n-4) +5600*a(n-5) -22336*a(n-6) -39628*a(n-7) +116496*a(n-8) +216496*a(n-9) -188416*a(n-10) -809920*a(n-11) -267264*a(n-12) +1638400*a(n-13)
EXAMPLE
Some solutions for n=3
..0..1..1..0....0..1..1..0....0..1..1..0....0..1..2..0....0..1..2..0
..1..2..2..1....2..2..2..2....2..2..2..2....1..1..2..2....2..1..2..2
..1..2..2..1....0..0..0..0....0..0..0..0....0..0..0..0....2..1..0..0
..2..1..1..0....2..2..2..1....1..2..2..1....2..1..1..2....1..1..0..1
..2..1..1..0....0..0..2..1....1..2..2..1....2..1..1..2....0..0..0..1
..0..2..2..1....1..0..2..0....0..1..1..2....1..2..2..1....1..2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 25 2011
STATUS
approved