OFFSET
1,1
COMMENTS
Column 1 of A206659
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-2) +26*a(n-3) +42*a(n-4) +33*a(n-5) -28*a(n-6) -100*a(n-7) -102*a(n-8) -100*a(n-9) -122*a(n-10) -266*a(n-11) -194*a(n-12) -25*a(n-13) +279*a(n-14) +129*a(n-15) -147*a(n-16) -429*a(n-17) -379*a(n-18) -594*a(n-19) -576*a(n-20) -396*a(n-21) +452*a(n-22) +1179*a(n-23) +660*a(n-24) +391*a(n-25) -322*a(n-26) -54*a(n-27) +90*a(n-28)
EXAMPLE
Some solutions for n=4
..0..0..1....0..0..1....0..0..0....0..0..0....0..0..1....0..0..0....0..0..1
..0..1..1....0..0..0....1..1..0....1..1..0....0..0..1....1..1..0....0..0..1
..0..0..1....1..1..0....0..1..0....1..0..0....1..1..1....0..1..0....0..1..1
..0..1..0....0..1..0....1..1..0....0..0..0....0..1..1....1..1..0....0..1..1
..0..0..0....0..0..0....0..1..0....1..1..1....1..1..0....1..1..0....0..1..0
..0..1..1....1..1..1....1..1..0....1..1..0....1..1..1....0..1..0....0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 11 2012
STATUS
approved