OFFSET
1,1
COMMENTS
Column 4 of A266101.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +24*a(n-2) +17*a(n-3) -89*a(n-4) -40*a(n-5) +146*a(n-6) +18*a(n-7) -82*a(n-8) -6*a(n-9) -8*a(n-10) +36*a(n-11) -13*a(n-12) +a(n-13) -2*a(n-14) +a(n-15) for n>16
EXAMPLE
Some solutions for n=4
..0..0..0..1....0..0..2..1....0..0..2..1....0..0..1..1....0..1..1..0
..1..1..2..0....1..1..0..1....1..1..0..1....1..2..0..1....2..1..0..1
..1..0..0..1....1..0..1..1....2..1..1..1....0..0..2..0....1..0..1..1
..1..1..1..0....1..1..0..0....1..0..0..0....1..1..0..1....1..2..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 21 2015
STATUS
approved