OFFSET
1,1
COMMENTS
Row 2 of A231997
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 3*a(n-1) -3*a(n-2) +11*a(n-3) +5*a(n-4) -7*a(n-5) +11*a(n-6) -35*a(n-7) -11*a(n-8) +9*a(n-9) -5*a(n-10) +13*a(n-11) +3*a(n-12) -a(n-13) +a(n-14) -a(n-15)
EXAMPLE
Some solutions for n=7
..0..0..0..0..1..0..0..1....0..0..0..0..1..0..0..0....0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0....1..1..0..0..0..1..0..1....1..1..0..0..0..0..0..0
..0..0..1..0..0..0..0..0....0..0..0..0..1..0..0..0....0..0..1..0..0..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 16 2013
STATUS
approved