OFFSET
1,1
COMMENTS
Row 6 of A207762.
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) +47*a(n-3) -100*a(n-4) +68*a(n-5) -729*a(n-6) +1351*a(n-7) -599*a(n-8) +5751*a(n-9) -10798*a(n-10) +4250*a(n-11) -27354*a(n-12) +54520*a(n-13) -24176*a(n-14) +83574*a(n-15) -172480*a(n-16) +85820*a(n-17) -163088*a(n-18) +335152*a(n-19) -176096*a(n-20) +192808*a(n-21) -384288*a(n-22) +203280*a(n-23) -123648*a(n-24) +236544*a(n-25) -122496*a(n-26) +32640*a(n-27) -59904*a(n-28) +29952*a(n-29) for n>31.
EXAMPLE
Some solutions for n=4:
..0..1..0..0....0..1..1..0....1..1..0..0....1..0..0..1....0..1..0..0
..1..0..0..1....1..1..0..0....0..1..0..0....0..0..1..0....0..1..0..0
..0..0..1..0....0..1..0..0....0..1..1..0....0..1..0..0....1..0..0..1
..0..1..0..0....0..1..1..0....0..1..0..0....1..0..0..1....0..0..1..0
..1..0..0..1....0..1..0..0....0..1..0..0....0..0..1..0....0..1..0..0
..0..0..1..0....0..1..0..0....0..1..1..1....0..1..0..0....1..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 19 2012
STATUS
approved