OFFSET
1,1
COMMENTS
Column 1 of A254092
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 6*a(n-1) +7*a(n-2) -18*a(n-3) +14*a(n-4) -156*a(n-5) -116*a(n-6) +72*a(n-7) +32*a(n-8) +96*a(n-9) +64*a(n-10) for n>17
EXAMPLE
Some solutions for n=4
..0..0..1....0..1..1....0..1..1....0..0..1....0..0..1....0..0..1....1..0..0
..1..0..1....0..0..0....0..0..0....0..1..0....1..0..1....1..0..0....1..1..1
..0..0..0....1..0..1....1..1..0....1..1..0....1..1..1....1..1..0....1..1..0
..1..0..1....0..0..0....1..0..1....1..0..0....0..0..0....0..1..0....1..1..0
..0..1..0....0..0..1....1..0..1....0..0..0....0..1..0....1..0..1....1..0..0
..1..0..1....1..0..1....1..0..1....0..0..0....0..0..1....0..0..0....0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 25 2015
STATUS
approved