OFFSET
1,2
COMMENTS
Column 2 of A183729.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=14*a(n-1)-36*a(n-2)-115*a(n-3)+125*a(n-4)+164*a(n-5)-155*a(n-6)-29*a(n-7)+34*a(n-8)+a(n-9)-2*a(n-10).
EXAMPLE
Some solutions with the first block increasing clockwise for 5 X 3:
..2..4..3....4..0..3....1..4..2....1..2..1....1..2..1....1..3..2....3..5..4
..1..0..1....2..1..2....0..5..0....0..5..0....0..3..0....5..4..5....2..1..2
..2..5..2....3..0..3....1..4..1....1..4..1....5..4..5....0..3..0....3..0..3
..3..4..3....4..5..4....2..3..2....2..3..2....0..2..0....1..2..1....4..5..4
..1..5..1....1..0..2....0..4..0....5..4..1....5..3..4....4..3..5....2..1..2
...
...R..L.......R..L.......R..L.......R..L.......R..L.......R..L.......R..L...
...L..R.......L..R.......L..R.......L..R.......R..L.......L..R.......L..R...
...L..R.......L..R.......L..R.......L..R.......L..R.......L..R.......L..R...
...R..L.......R..L.......R..L.......R..L.......R..L.......R..L.......R..L...
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 06 2011
STATUS
approved