OFFSET
1,1
COMMENTS
Row 7 of A207729
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +48*a(n-3) +1512*a(n-4) +180*a(n-5) +612*a(n-6) -15840*a(n-7) -496179*a(n-8) -159489*a(n-9) +110160*a(n-10) +986580*a(n-11) +48988800*a(n-12) +17204400*a(n-13) +52488000*a(n-15) -1049760000*a(n-16)
EXAMPLE
Some solutions for n=4
..0..0..1..1....1..0..0..1....1..0..0..1....1..1..1..1....0..0..1..1
..0..1..1..1....1..1..0..1....1..0..0..1....0..0..1..1....0..1..1..1
..1..0..1..1....1..0..0..1....1..1..0..1....0..0..1..1....0..0..1..1
..0..0..1..1....1..0..0..1....1..0..0..1....1..0..1..1....1..0..1..1
..0..0..1..1....1..0..0..1....1..0..0..1....0..1..1..1....0..1..1..1
..1..0..1..1....1..1..0..1....1..0..0..1....0..0..1..1....0..0..1..1
..0..1..1..0....1..0..1..1....1..0..1..1....1..0..1..1....1..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 19 2012
STATUS
approved