OFFSET
1,1
COMMENTS
Row 2 of A241306
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-2) +3*a(n-3) -a(n-4) -a(n-5) +2*a(n-6) -10*a(n-8) -7*a(n-9) +8*a(n-10) +5*a(n-11) -3*a(n-12) -7*a(n-13) +7*a(n-14) for n>20
EXAMPLE
Some solutions for n=4
..3..2..3..2....3..2..3..3....3..2..3..3....2..3..3..2....3..2..2..2
..3..1..1..2....3..0..1..2....3..1..1..2....2..1..1..2....3..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 18 2014
STATUS
approved