OFFSET
1,1
COMMENTS
Row 2 of A241356
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-2) +8*a(n-3) -5*a(n-5) -18*a(n-6) +a(n-7) +10*a(n-8) +16*a(n-9) -5*a(n-10) -10*a(n-11) +a(n-12) +6*a(n-13) -2*a(n-14) -6*a(n-15) -a(n-16) +6*a(n-17) for n>20
EXAMPLE
Some solutions for n=4
..2..3..3..2....2..3..3..2....2..3..3..3....3..2..3..3....3..2..3..3
..2..1..1..1....2..1..1..2....2..1..2..3....3..1..1..3....3..2..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 20 2014
STATUS
approved