OFFSET
1,1
COMMENTS
Column 5 of A185567.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..169
FORMULA
Empirical: a(n) = 829*a(n-1)-32339*a(n-2)+525706*a(n-3)-4547088*a(n-4)+22231638*a(n-5)-58780485*a(n-6)+68179725*a(n-7)-10661625*a(n-8).
EXAMPLE
Some solutions for 3 X 5 with a(1,1)=0.
..0..0..0..2..3....0..0..0..3..0....0..0..2..2..1....0..0..0..0..2
..0..2..2..0..0....0..2..0..0..1....0..2..0..1..2....0..2..2..0..1
..0..0..3..2..0....0..0..1..3..1....0..0..2..1..2....0..2..3..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 31 2011
STATUS
approved