OFFSET
1,2
COMMENTS
Row 2 of A218810
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) +3*a(n-3) +3*a(n-4) +3*a(n-5) +a(n-6) +5*a(n-7) +2*a(n-8) +2*a(n-9) +2*a(n-10) +2*a(n-11) +a(n-12) +a(n-13) -a(n-14) -a(n-15) -a(n-16) -a(n-17) -a(n-18) -a(n-19) for n>20
EXAMPLE
Some solutions for n=3
..0..1..1....1..1..1....0..1..0....0..0..0....1..1..1....1..0..1....0..0..0
..1..0..0....1..1..1....1..1..0....1..1..0....0..1..1....0..1..1....1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 06 2012
STATUS
approved