OFFSET
1,1
COMMENTS
Column 6 of A242472
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 16*a(n-1) -79*a(n-2) +70*a(n-3) +361*a(n-4) -372*a(n-5) -964*a(n-6) +144*a(n-7) +1116*a(n-8) +720*a(n-9) +144*a(n-10)
EXAMPLE
Some solutions for n=4
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..1....1....1....1....0....1....1....1....1....1....1....0....1....1....1....1
..2....2....2....2....1....2....2....0....2....2....2....1....1....2....2....1
..3....1....3....3....1....0....3....2....0....3....0....0....2....1....0....2
..4....3....2....3....2....3....0....3....0....1....2....2....0....3....2....0
..3....4....4....4....3....0....3....2....1....1....1....1....0....3....3....1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 15 2014
STATUS
approved