OFFSET
1,1
COMMENTS
Column 2 of A186915.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
R. H. Hardin, Polynomial of degree 89
FORMULA
Polynomial of degree 89 in n, see link.
EXAMPLE
Some solutions for 6 X 4
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..1..1..4....0..1..5..6....0..0..2..5....0..1..3..6....0..0..3..4
..2..1..5..0....4..6..2..3....3..5..4..2....4..1..3..6....1..3..4..6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 28 2011
STATUS
approved