OFFSET
1,1
COMMENTS
Column 1 of A250707
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 10*a(n-1) -35*a(n-2) +35*a(n-3) +72*a(n-4) -178*a(n-5) +7*a(n-6) +259*a(n-7) -123*a(n-8) -182*a(n-9) +125*a(n-10) +68*a(n-11) -56*a(n-12) -13*a(n-13) +12*a(n-14) +a(n-15) -a(n-16)
EXAMPLE
Some solutions for n=4
..0..2....0..0....0..1....0..1....0..0....0..1....2..0....0..1....1..1....1..1
..0..2....1..0....0..1....1..0....0..1....2..1....0..2....0..1....1..2....0..2
..1..2....0..1....1..3....0..1....1..0....0..3....2..2....2..2....1..2....0..2
..0..3....1..2....2..3....1..2....0..2....2..2....2..2....2..2....2..1....0..3
..1..3....1..2....3..2....3..1....2..0....3..3....1..3....1..3....1..2....3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2014
STATUS
approved