OFFSET
1,2
COMMENTS
Column 1 of A186962
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=17*a(n-1)-51*a(n-2)-331*a(n-3)+7181*a(n-4)-31635*a(n-5)+101790*a(n-6)-106596*a(n-7)+95256*a(n-8)
EXAMPLE
Some solutions for 4X3
..0..1..2....2..2..0....0..2..1....1..0..1....1..2..1....0..1..0....1..0..1
..1..1..2....2..2..1....1..1..1....2..2..1....1..0..2....0..0..0....1..0..1
..0..1..1....0..2..0....0..0..0....2..1..0....1..0..0....0..2..2....0..0..1
..1..0..0....2..1..0....0..2..0....0..0..0....0..0..0....2..2..0....1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 01 2011
STATUS
approved