OFFSET
1,1
COMMENTS
Row 4 of A233098
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 25*a(n-1) +52*a(n-2) -1084*a(n-3) +16*a(n-4) +9754*a(n-5) -16165*a(n-6) +5229*a(n-7) +5498*a(n-8) -3740*a(n-9) +320*a(n-10) +96*a(n-11) for n>12
EXAMPLE
Some solutions for n=3
..0..1..3....0..0..0....0..1..1....0..0..1....0..1..1....0..1..0....0..0..1
..0..1..3....1..0..1....3..1..3....2..0..1....1..1..1....3..1..3....2..0..2
..0..1..0....1..1..1....0..2..3....2..3..2....0..0..0....0..1..3....2..2..2
..3..1..3....0..1..0....0..2..0....2..0..2....0..2..2....0..2..3....3..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 04 2013
STATUS
approved