OFFSET
1,1
COMMENTS
Row 5 of A252544
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 1804*a(n-3) -939040*a(n-6) +145285120*a(n-9) -1639972864*a(n-12) +4294967296*a(n-15)
EXAMPLE
Some solutions for n=1
..1..3..0....3..0..1....0..1..3....0..1..3....3..3..1....3..3..1....3..0..1
..1..2..1....1..0..0....1..1..2....3..0..1....1..3..3....2..1..1....3..2..2
..3..0..1....1..2..1....1..0..0....2..1..1....1..2..1....0..1..0....2..3..2
..1..3..3....3..3..1....0..1..0....3..1..3....3..3..1....0..3..1....0..3..1
..1..2..1....1..0..3....1..1..2....0..3..1....1..0..0....2..1..1....0..2..2
..3..3..1....1..2..1....1..3..0....2..1..1....1..2..1....0..1..0....2..0..2
..1..3..0....0..0..1....0..1..0....0..1..3....3..3..1....3..0..1....0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 18 2014
STATUS
approved