OFFSET
1,1
COMMENTS
Column 6 of A256748
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = -2*a(n-1) +4*a(n-2) +24*a(n-3) +27*a(n-4) -70*a(n-5) -198*a(n-6) -88*a(n-7) +408*a(n-8) +648*a(n-9) -48*a(n-10) -896*a(n-11) -704*a(n-12) +384*a(n-13) +512*a(n-14) for n>18
EXAMPLE
Some solutions for n=4
..1..0..0..1..0..1..1..0....1..1..1..0..1..1..1..0....1..1..1..0..1..1..1..0
..1..1..1..1..0..0..1..1....0..1..0..1..0..1..0..0....0..1..0..1..0..1..0..0
..1..0..0..1..1..1..0..0....0..1..0..1..0..1..0..1....0..1..0..1..0..1..0..1
..1..1..1..1..0..0..1..1....1..0..1..0..1..0..1..0....1..0..1..0..1..0..1..0
..1..0..0..1..1..1..0..0....0..0..1..0..1..0..1..0....1..0..1..0..1..0..1..0
..1..0..1..1..0..0..1..1....1..1..1..1..1..1..0..1....1..1..0..1..0..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 09 2015
STATUS
approved