OFFSET
1,1
COMMENTS
Column 3 of A259894
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +2*a(n-2) +18*a(n-3) +41*a(n-4) -a(n-5) -34*a(n-6) -98*a(n-7) -194*a(n-8) -5*a(n-9) +94*a(n-10) +37*a(n-11) +97*a(n-12) +21*a(n-13) -12*a(n-14) +2*a(n-15) -4*a(n-16)
EXAMPLE
Some solutions for n=4
..0..0..0..0..0....0..1..1..0..0....1..0..0..0..0....1..0..0..0..0
..1..0..0..0..1....0..0..0..0..0....1..0..0..0..0....1..0..0..0..0
..1..0..0..0..0....0..0..0..0..0....0..0..0..1..1....0..0..0..0..0
..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..1
..0..0..0..0..0....1..0..0..0..0....0..0..0..0..0....0..0..0..0..1
..0..0..1..0..0....1..0..0..1..1....0..0..1..0..0....1..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 07 2015
STATUS
approved