OFFSET
1,1
COMMENTS
Column 2 of A205609
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 192*a(n-2) +1024*a(n-3) -994*a(n-4) -29144*a(n-5) -57188*a(n-6) +259824*a(n-7) +773391*a(n-8) -743544*a(n-9) -3411360*a(n-10) -399168*a(n-11) +4852224*a(n-12) +2985984*a(n-13) for n>14
EXAMPLE
Some solutions for n=4
..0..0..0....0..1..1....0..1..0....0..1..0....0..1..1....0..0..0....0..0..0
..0..1..0....2..2..0....0..1..0....2..0..1....0..2..3....0..1..1....0..0..0
..0..2..2....2..0..0....0..2..0....0..0..0....1..3..0....2..2..3....0..1..1
..0..2..3....1..1..2....0..2..2....1..2..1....3..3..3....3..3..3....0..2..3
..3..0..1....0..1..1....3..3..0....3..0..2....3..3..3....1..2..1....2..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 29 2012
STATUS
approved