OFFSET
1,1
COMMENTS
Column 4 of A251268
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 10*a(n-1) -11*a(n-2) -119*a(n-3) +288*a(n-4) +236*a(n-5) -1082*a(n-6) +141*a(n-7) +1550*a(n-8) -732*a(n-9) -936*a(n-10) +648*a(n-11) +181*a(n-12) -198*a(n-13) +14*a(n-14) +13*a(n-15) -2*a(n-16)
EXAMPLE
Some solutions for n=4
..0..0..0..0..0....0..0..1..0..0....0..0..0..0..1....0..1..1..0..1
..0..0..0..0..1....0..0..0..1..1....1..1..1..1..1....0..0..0..1..1
..0..0..1..1..0....0..0..1..0..1....0..0..0..0..0....0..0..0..1..1
..0..0..0..0..1....1..1..0..1..1....0..0..0..0..0....0..0..0..1..1
..0..0..0..1..0....0..0..1..0..0....0..0..0..0..1....0..0..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 01 2014
STATUS
approved