OFFSET
1,1
COMMENTS
Column 1 of A204971
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 6*a(n-1) +6*a(n-3) -28*a(n-4) -25*a(n-5) +4*a(n-6) +2*a(n-7) +85*a(n-8) -46*a(n-9) +68*a(n-10) +46*a(n-11) -20*a(n-12) +12*a(n-13) -48*a(n-14) +16*a(n-15)
EXAMPLE
Some solutions for n=3
..0..0..1....0..1..0....0..0..0....0..0..1....0..0..0....0..0..0....0..1..0
..0..1..1....1..0..0....1..1..1....0..0..0....1..0..0....0..0..1....0..1..1
..1..1..1....1..0..0....1..1..1....1..1..0....0..1..1....1..0..1....0..1..1
..1..1..1....1..1..1....0..0..0....0..0..0....1..1..1....0..0..1....0..1..1
..1..1..1....1..0..1....0..1..1....0..0..0....0..0..1....1..1..1....0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 21 2012
STATUS
approved