OFFSET
1,1
COMMENTS
Column 2 of A252811.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +13*a(n-3) -13*a(n-4) -43*a(n-6) +43*a(n-7) +7*a(n-9) -7*a(n-10) for n>16.
EXAMPLE
Some solutions for n=2
..0..1..2..0....0..1..2..0....0..1..2..0....0..1..2..3....0..1..2..3
..3..0..2..1....3..0..2..4....1..0..2..3....1..2..4..0....1..3..0..2
..2..2..2..2....2..2..2..2....2..2..2..2....3..4..0..1....2..0..3..1
..0..1..2..0....1..4..2..0....4..3..2..0....0..3..1..2....4..2..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 22 2014
STATUS
approved