OFFSET
1,1
COMMENTS
Column 1 of A236651
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +4*a(n-2) +60*a(n-3) +500*a(n-4) +608*a(n-5) +1064*a(n-6) +512*a(n-7) -14672*a(n-8) -18640*a(n-9) -27776*a(n-10) -53248*a(n-11)
EXAMPLE
Some solutions for n=5
..2..0....0..1....1..1....1..0....2..2....1..2....1..1....1..2....0..0....0..2
..2..1....0..2....2..2....0..2....0..0....0..0....2..1....2..2....2..0....1..0
..1..2....2..0....2..2....0..0....2..0....0..1....1..0....1..1....0..1....1..2
..0..0....1..2....1..2....1..0....1..2....1..2....2..0....1..0....1..1....0..2
..2..2....1..1....0..0....1..2....1..1....2..2....0..2....1..2....0..0....2..0
..2..0....1..1....2..2....1..1....0..0....1..1....0..1....0..2....2..2....0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 29 2014
STATUS
approved