OFFSET
1,1
COMMENTS
Column 1 of A237481
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 8*a(n-1) +8*a(n-2) -176*a(n-3) +86*a(n-4) +1544*a(n-5) -1268*a(n-6) -6840*a(n-7) +5915*a(n-8) +15792*a(n-9) -13396*a(n-10) -17304*a(n-11) +15632*a(n-12) +6016*a(n-13) -7552*a(n-14) +1536*a(n-15)
EXAMPLE
Some solutions for n=5
..2..1....2..0....2..0....2..0....1..2....1..1....2..1....0..1....2..0....1..2
..2..2....2..1....0..1....2..1....0..1....1..2....0..2....1..1....2..1....2..0
..1..2....1..2....2..0....1..2....2..2....1..0....1..2....1..0....2..1....1..2
..2..2....1..1....0..2....1..1....1..0....2..1....2..1....0..2....2..0....0..1
..2..2....0..2....0..0....0..2....2..1....1..1....2..1....0..0....1..2....2..2
..2..0....2..1....2..0....1..1....1..2....2..2....2..1....2..1....1..2....0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 08 2014
STATUS
approved