OFFSET
1,1
COMMENTS
Column 2 of A260177
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +a(n-2) +5*a(n-3) +5*a(n-4) -3*a(n-5) +5*a(n-6) +9*a(n-7) -5*a(n-8) -5*a(n-9) +4*a(n-10) -17*a(n-11) -14*a(n-12) +4*a(n-13) -4*a(n-14) -4*a(n-15) for n>16
EXAMPLE
Some solutions for n=4
..0..1..0..0....1..0..0..0....1..0..0..0....0..0..1..0....0..0..0..1
..0..0..0..0....0..0..0..1....0..1..0..0....0..0..0..1....0..0..1..0
..0..1..0..0....1..0..0..0....0..0..0..0....1..0..0..0....0..0..0..0
..1..0..0..0....0..0..0..0....0..1..0..0....0..0..0..0....1..0..0..0
..0..0..0..1....0..0..1..0....1..0..0..0....0..0..1..0....0..1..0..0
..0..0..1..0....0..0..0..1....0..0..0..0....0..1..0..0....0..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 17 2015
STATUS
approved