OFFSET
1,1
COMMENTS
Column 1 of A237241
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 14*a(n-1) -784*a(n-3) +2736*a(n-4) +10208*a(n-5) -59776*a(n-6) -17408*a(n-7) +443392*a(n-8) -342016*a(n-9) -1089536*a(n-10) +1376256*a(n-11)
EXAMPLE
Some solutions for n=4
..1..1....3..1....1..0....1..0....1..0....2..0....2..3....2..3....2..3....3..3
..1..0....2..1....0..0....1..1....3..2....3..1....3..2....2..1....3..1....0..0
..3..3....1..3....1..2....2..1....2..1....0..2....2..3....1..0....2..1....2..2
..2..3....2..3....3..1....2..2....2..3....3..1....2..3....1..2....1..3....1..1
..3..3....2..2....2..1....3..2....3..0....3..3....2..3....1..0....1..2....0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 05 2014
STATUS
approved