OFFSET
1,1
COMMENTS
Column 2 of A204492
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +a(n-2) +10*a(n-3) -6*a(n-4) -10*a(n-5) -17*a(n-6) -3*a(n-7) +23*a(n-8) -3*a(n-9) +37*a(n-10) -19*a(n-11) +26*a(n-12) -48*a(n-13) +4*a(n-14) -19*a(n-15) +21*a(n-16) +a(n-17) +4*a(n-18) -2*a(n-19) for n>29
EXAMPLE
Some solutions for n=3
..0..0..0..1....0..0..1..0....0..0..1..1....0..1..0..0....0..1..0..0
..1..1..0..1....0..1..0..1....0..1..0..1....0..0..1..1....1..1..1..0
..1..0..1..0....1..1..1..0....0..0..1..0....1..0..0..1....1..0..1..0
..1..0..0..0....0..0..1..1....1..1..0..1....1..1..0..0....0..1..0..1
..1..1..0..1....0..1..0..1....1..1..1..0....0..1..1..0....0..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 15 2012
STATUS
approved