OFFSET
1,1
COMMENTS
Row 4 of A262472.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 7*a(n-1) +75*a(n-2) -525*a(n-3) -2034*a(n-4) +14238*a(n-5) +25010*a(n-6) -175070*a(n-7) -141969*a(n-8) +993783*a(n-9) +333315*a(n-10) -2333205*a(n-11) -214396*a(n-12) +1500772*a(n-13)
EXAMPLE
Some solutions for n=4
..0..1..0..0..1....0..0..0..0..0....1..1..0..0..0....0..1..1..0..0
..1..1..1..1..0....0..0..0..0..0....1..0..1..0..1....0..1..1..1..1
..0..1..1..1..1....0..0..0..1..1....1..1..0..0..0....0..1..1..1..1
..1..1..1..1..0....0..0..0..0..0....1..0..1..0..1....0..1..1..1..1
..0..0..1..1..0....0..0..0..1..1....0..0..0..0..0....0..0..0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 23 2015
STATUS
approved