OFFSET
1,1
COMMENTS
Column 1 of A232579
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +19*a(n-2) +26*a(n-3) +52*a(n-4) +218*a(n-5) +11*a(n-6) -258*a(n-7) +15*a(n-8) +108*a(n-9) -64*a(n-10) +16*a(n-11)
EXAMPLE
Some solutions for n=6
..2..0....1..0....2..1....0..0....0..1....2..0....2..0....1..0....2..1....0..1
..1..0....2..1....0..0....1..2....1..2....1..1....1..0....2..1....0..0....2..2
..0..0....0..0....0..2....1..2....0..0....2..0....0..2....2..0....2..1....0..1
..1..2....1..2....1..2....0..1....1..0....0..1....1..2....2..0....2..2....1..2
..2..0....1..2....2..0....1..0....2..2....2..1....2..1....1..2....2..0....1..2
..1..0....0..1....1..2....2..2....1..2....0..1....0..1....0..1....1..2....0..1
..1..2....1..2....0..1....1..0....0..1....1..2....2..0....0..0....1..0....2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2013
STATUS
approved