OFFSET
1,1
COMMENTS
Row 5 of A252574
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 156*a(n-3) -6470*a(n-6) +53472*a(n-9) -284258*a(n-12) +1115672*a(n-15) -1799999*a(n-18) +969878*a(n-21) -48450*a(n-24) for n>32
EXAMPLE
Some solutions for n=4
..2..3..2..2..3..1....2..3..2..1..3..2....2..1..3..2..1..3....2..3..1..2..3..2
..0..0..2..0..0..2....0..0..2..0..0..2....2..0..0..2..0..0....0..0..2..0..0..2
..2..0..0..2..0..0....2..0..0..2..0..0....0..2..0..0..2..0....2..0..0..2..0..0
..1..3..2..2..3..2....1..3..2..1..3..2....1..1..3..2..2..3....2..3..1..2..3..1
..0..0..1..0..0..2....0..0..2..0..0..2....2..0..0..2..0..0....0..0..2..0..0..2
..2..0..0..1..0..0....2..0..0..2..0..0....0..2..0..0..2..0....2..0..0..2..0..0
..2..3..2..2..3..2....1..3..1..1..3..1....1..1..3..1..2..3....1..3..2..1..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 18 2014
STATUS
approved