OFFSET
1,1
COMMENTS
Column 7 of A205255
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 106*a(n-1) -4578*a(n-2) +110127*a(n-3) -1685691*a(n-4) +17662632*a(n-5) -132490685*a(n-6) +732439565*a(n-7) -3041749572*a(n-8) +9607185471*a(n-9) -23244897123*a(n-10) +43214022033*a(n-11) -61676422325*a(n-12) +67255934696*a(n-13) -55515488409*a(n-14) +34166147646*a(n-15) -15313024644*a(n-16) +4816467696*a(n-17) -999456992*a(n-18) +121777664*a(n-19) -6527616*a(n-20)
EXAMPLE
Some solutions for n=4
..1..0..0..1..0..1..0..1....0..1..1..0..1..1..0..1....0..1..1..0..0..0..1..1
..1..1..1..1..1..1..1..1....1..1..0..0..0..0..0..0....0..0..1..0..1..0..1..0
..1..0..1..0..0..0..0..0....0..0..0..1..0..1..1..0....1..1..1..0..1..1..1..0
..1..1..1..0..1..1..1..0....1..0..1..1..1..1..0..0....0..0..0..0..1..0..1..1
..0..1..0..0..0..1..0..0....0..0..0..0..0..1..0..1....0..1..1..0..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 24 2012
STATUS
approved