OFFSET
1,1
COMMENTS
Column 3 of A251228
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 8*a(n-1) +39*a(n-2) -48*a(n-3) -210*a(n-4) +88*a(n-5) +260*a(n-6) -199*a(n-7) +36*a(n-8)
EXAMPLE
Some solutions for n=3
..0..1..0..0....0..1..0..1....0..0..1..0....1..1..0..0....0..0..0..1
..1..1..1..1....0..1..0..1....0..1..0..0....0..0..0..1....1..1..0..0
..0..0..0..0....1..1..0..0....0..1..1..0....0..0..0..1....0..1..0..0
..1..1..1..1....0..1..1..1....1..1..0..0....0..1..0..0....1..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 30 2014
STATUS
approved