OFFSET
1,1
COMMENTS
Column 5 of A218810
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 29*a(n-1) +88*a(n-2) +236*a(n-3) +503*a(n-4) +361*a(n-5) +156*a(n-6) -348*a(n-7) +73*a(n-8) -37*a(n-9) -36*a(n-10) -15*a(n-12) +15*a(n-13) for n>14
EXAMPLE
Some solutions for n=3
..0..1..0..1..1....0..0..1..1..1....0..1..0..0..0....0..1..1..1..0
..1..1..1..1..0....1..1..1..1..1....0..0..1..1..1....1..1..0..0..0
..1..1..0..1..0....0..0..1..1..0....1..1..1..0..0....1..0..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 06 2012
STATUS
approved