OFFSET
1,1
COMMENTS
Column 2 of A233635
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 14*a(n-1) +61*a(n-2) -774*a(n-3) -1112*a(n-4) +13542*a(n-5) +5120*a(n-6) -98447*a(n-7) +17493*a(n-8) +306879*a(n-9) -134073*a(n-10) -393421*a(n-11) +189749*a(n-12) +211175*a(n-13) -85489*a(n-14) -45046*a(n-15) +12738*a(n-16) +2726*a(n-17) -335*a(n-18) -21*a(n-19)
EXAMPLE
Some solutions for n=3
..2..3..1....2..3..3....1..3..1....0..3..1....0..2..0....2..3..2....1..0..1
..2..0..0....1..0..1....0..0..0....0..0..1....2..3..3....2..0..0....2..3..2
..3..1..3....0..2..3....0..3..2....3..3..3....1..0..3....3..3..3....1..0..0
..0..0..2....1..3..1....0..3..0....0..0..0....3..3..3....1..0..3....2..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 14 2013
STATUS
approved