OFFSET
1,1
COMMENTS
Column 3 of A233691
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 7*a(n-1) +30*a(n-2) -198*a(n-3) -190*a(n-4) +1708*a(n-5) +65*a(n-6) -6015*a(n-7) +1916*a(n-8) +9134*a(n-9) -3808*a(n-10) -5930*a(n-11) +2155*a(n-12) +1461*a(n-13) -312*a(n-14) -112*a(n-15)
EXAMPLE
Some solutions for n=4
..0..1..3..2....2..1..3..1....2..0..1..2....0..1..0..1....1..2..1..2
..2..0..1..0....0..2..1..2....3..1..3..1....2..0..2..3....2..0..2..0
..1..2..3..2....1..0..2..0....2..3..2..3....0..1..3..1....3..2..3..2
..2..0..1..0....3..2..3..2....0..2..0..2....2..3..2..0....2..0..1..3
..0..1..3..2....1..3..1..3....1..3..2..1....3..1..3..1....1..2..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 14 2013
STATUS
approved