OFFSET
1,1
COMMENTS
Row 2 of A252574
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 42*a(n-3) -595*a(n-6) +3251*a(n-9) -5703*a(n-12) +8191*a(n-15) -8486*a(n-18) +5741*a(n-21) -3340*a(n-24) +900*a(n-27) for n>34
EXAMPLE
Some solutions for n=4
..2..0..0..1..0..1....2..0..0..1..1..0....0..0..1..1..0..1....3..1..2..3..2..2
..1..3..2..2..3..2....0..1..0..0..1..1....1..0..0..1..0..1....0..2..0..0..2..0
..1..0..1..0..0..1....2..2..3..2..2..3....2..3..2..2..3..1....0..0..2..0..0..1
..1..0..0..2..0..0....2..0..0..1..0..0....1..0..1..0..0..1....3..2..1..3..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 18 2014
STATUS
approved