OFFSET
1,1
COMMENTS
Column 5 of A208840
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 7*a(n-1) -8*a(n-2) -27*a(n-3) +45*a(n-4) +24*a(n-5) -51*a(n-6) -3*a(n-7) +16*a(n-8) -a(n-9) -a(n-10) for n>11
EXAMPLE
Some solutions for n=4
..0..1..0..1..0....1..1..1..1..1....0..1..1..1..0....1..0..1..1..1
..1..1..1..1..1....1..0..1..0..1....1..1..0..1..0....0..1..0..1..1
..0..1..0..1..0....1..0..1..0..1....0..1..1..1..0....1..0..1..1..1
..0..1..1..1..0....1..0..1..0..1....1..1..0..1..0....0..1..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 01 2012
STATUS
approved