OFFSET
1,1
COMMENTS
Column 5 of A222386
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 32*a(n-1) +256*a(n-3) -8192*a(n-4) -16384*a(n-6) +524288*a(n-7) for n>9
EXAMPLE
Some solutions for n=3
..0..1..1..0..0....1..0..1..0..0....0..0..0..1..1....0..1..0..0..1
..0..0..0..0..0....0..1..1..1..1....1..0..1..0..0....0..0..1..0..0
..0..0..1..1..0....1..0..0..0..1....0..0..1..1..0....1..1..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 18 2013
STATUS
approved