OFFSET
1,1
COMMENTS
Column 6 of A228390
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 8*a(n-1) +62*a(n-2) -78*a(n-3) -375*a(n-4) +300*a(n-5) +486*a(n-6) -385*a(n-7) -30*a(n-8) +52*a(n-9) -2*a(n-10) -a(n-11)
EXAMPLE
Some solutions for n=4
..1..0..0..0..1..0....1..0..0..0..1..0....1..0..1..0..0..1....1..0..0..0..0..1
..0..0..0..1..0..0....0..0..0..1..0..1....0..0..0..0..1..0....0..1..0..1..0..0
..0..0..0..0..0..0....1..0..1..0..0..0....0..0..0..0..0..0....0..0..1..0..1..0
..1..0..0..0..0..0....0..0..0..1..0..1....1..0..0..1..0..0....0..0..0..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 21 2013
STATUS
approved