OFFSET
1,1
COMMENTS
Column 2 of A252177
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 8*a(n-1) -21*a(n-2) +10*a(n-3) +54*a(n-4) -128*a(n-5) +125*a(n-6) -142*a(n-8) +176*a(n-9) -199*a(n-10) +216*a(n-11) -150*a(n-12) +80*a(n-13) -24*a(n-14)
EXAMPLE
Some solutions for n=6
..0....0....2....0....1....2....0....1....1....0....1....2....0....1....0....2
..1....0....2....1....1....2....0....0....0....2....1....0....1....2....1....0
..2....0....1....0....1....1....0....0....1....0....0....2....1....0....0....0
..1....0....2....0....2....1....2....2....2....1....2....2....0....2....1....2
..1....0....1....2....1....1....2....1....0....0....2....2....1....0....2....0
..0....1....1....2....0....0....2....2....1....0....0....1....1....2....2....2
..0....1....2....1....1....1....0....0....0....0....1....1....1....2....2....2
..2....1....1....2....1....2....1....2....2....2....0....1....1....0....1....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 15 2014
STATUS
approved