OFFSET
1,1
COMMENTS
Row 4 of A239537
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 8*a(n-1) +46*a(n-2) -22*a(n-3) -166*a(n-4) +28*a(n-5) +68*a(n-6) +208*a(n-7) -160*a(n-8) -48*a(n-9) +32*a(n-10)
EXAMPLE
Some solutions for n=4
..0..1..0..2..1....0..1..0..2..1....0..1..0..0..1....0..1..0..1..0
..0..1..0..2..1....0..1..0..2..1....0..1..0..0..1....0..1..0..1..0
..1..0..0..1..2....0..1..2..2..1....0..1..0..0..1....0..2..0..1..2
..1..0..2..1..2....0..2..2..1..0....2..1..2..2..1....1..2..2..0..2
..1..0..2..1..2....0..2..2..1..0....2..1..2..2..1....1..2..2..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 21 2014
STATUS
approved