OFFSET
1,1
COMMENTS
Column 2 of A251010
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 27*a(n-1) -169*a(n-2) +800*a(n-3) -2847*a(n-4) +5874*a(n-5) -6458*a(n-6) +2876*a(n-7) +558*a(n-8) -1473*a(n-9) +1896*a(n-10) -1394*a(n-11) +460*a(n-12) -68*a(n-13)
EXAMPLE
Some solutions for n=2
..2..1..0....0..1..1....2..1..2....0..2..2....2..2..0....1..0..1....1..2..2
..2..0..1....1..0..0....2..2..1....2..2..1....0..1..1....2..2..2....1..0..0
..1..0..2....1..0..1....1..0..0....0..1..2....1..1..2....1..1..2....0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 29 2014
STATUS
approved