OFFSET
1,1
COMMENTS
Column 3 of A238523.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..145
FORMULA
Empirical: a(n) = 102*a(n-1) +2016*a(n-2) -29659*a(n-3) +67326*a(n-4) +111132*a(n-5) -38416*a(n-6).
EXAMPLE
Some solutions for n=1
..2..1..1..3....3..0..2..1....3..0..2..0....0..3..3..2....0..1..2..3
..1..0..3..1....0..1..3..0....0..2..1..2....3..1..1..0....3..2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 28 2014
STATUS
approved