OFFSET
1,1
COMMENTS
Column 3 of A258530
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +11*a(n-2) -8*a(n-3) -27*a(n-4) +14*a(n-5) -83*a(n-6) -1344*a(n-7) +68*a(n-8) +8440*a(n-9) +5152*a(n-10) -15424*a(n-11) -28416*a(n-12) +17280*a(n-13) +47104*a(n-14) -32768*a(n-15) for n>23
EXAMPLE
Some solutions for n=2
..0..0..0..0..1....0..1..0..1..1....0..1..1..1..0....1..0..1..0..0
..0..1..1..1..1....0..0..1..0..1....0..0..0..1..1....0..0..0..0..0
..1..1..0..0..1....0..0..1..0..0....0..1..1..1..1....0..0..0..1..1
..0..1..0..1..0....0..1..0..1..0....0..1..1..0..1....0..1..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 02 2015
STATUS
approved