OFFSET
1,1
COMMENTS
Column 7 of A251652
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 4*a(n-1) +3*a(n-2) +101*a(n-3) -438*a(n-4) -329*a(n-5) +990*a(n-6) -220*a(n-7) -110*a(n-8) for n>13
EXAMPLE
Some solutions for n=3
..1..0..2..1..0..2..1..3..2....3..2..1..0..2..1..0..2..1
..1..3..2..1..3..2..1..0..2....0..2..1..0..2..1..3..2..1
..1..3..2..1..3..2..1..3..2....0..2..1..3..2..1..0..2..1
..1..0..2..1..0..2..1..3..2....3..2..1..0..2..1..0..2..1
..1..0..2..1..3..2..1..0..2....3..2..1..3..2..1..3..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 06 2014
STATUS
approved