OFFSET
1,1
COMMENTS
Row 2 of A240153
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>19
EXAMPLE
Some solutions for n=4
..3..2..3..2....2..2..3..3....3..2..3..3....2..2..3..3....2..2..3..2
..3..2..1..1....0..0..2..1....3..1..2..2....0..2..1..1....0..2..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 02 2014
STATUS
approved