OFFSET
1,1
COMMENTS
Column 5 of A207368
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +6*a(n-2) -14*a(n-3) -14*a(n-4) +42*a(n-5) +14*a(n-6) -70*a(n-7) +70*a(n-9) -14*a(n-10) -42*a(n-11) +14*a(n-12) +14*a(n-13) -6*a(n-14) -2*a(n-15) +a(n-16)
EXAMPLE
Some solutions for n=4
..1..0..1..0..0....0..0..1..0..0....1..1..1..0..0....0..0..1..0..1
..1..0..1..0..0....1..1..0..1..0....0..1..0..1..0....0..1..0..0..1
..0..0..1..0..0....0..0..1..0..0....0..0..1..0..0....0..0..1..0..1
..0..0..1..0..0....1..1..0..1..0....0..1..0..1..0....0..1..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 17 2012
STATUS
approved