OFFSET
1,1
COMMENTS
Column 6 of A207254
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) +9*a(n-2) +4*a(n-3) +58*a(n-4) +117*a(n-5) +100*a(n-6) +160*a(n-7) +169*a(n-8) +74*a(n-9) -12*a(n-10) -67*a(n-11) -26*a(n-12) +6*a(n-13) +3*a(n-14) +3*a(n-15) -a(n-16)
EXAMPLE
Some solutions for n=4
..0..1..1..1..0..0....0..1..1..0..0..0....0..1..1..0..0..0....0..0..0..0..0..0
..1..0..0..0..0..0....0..0..0..0..0..0....0..1..0..0..0..0....1..1..0..0..0..0
..1..0..0..0..0..0....1..0..0..0..0..0....1..0..0..0..0..0....1..1..0..0..0..0
..0..1..1..0..0..0....1..0..0..0..0..0....1..0..0..0..0..0....0..1..1..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 16 2012
STATUS
approved