OFFSET
1,1
COMMENTS
Column 3 of A183836
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=13*a(n-1)+42*a(n-2)-942*a(n-3)+1259*a(n-4)+16804*a(n-5)-40879*a(n-6)-117777*a(n-7)+381433*a(n-8)+303856*a(n-9)-1519845*a(n-10)+56140*a(n-11)+2613108*a(n-12)-1083416*a(n-13)-1748449*a(n-14)+1024510*a(n-15)+314900*a(n-16)-213340*a(n-17)+10760*a(n-18)+1824*a(n-19)
EXAMPLE
Some solutions for 3X4
..1..2..1..0....2..0..2..0....0..1..2..1....2..0..1..2....2..2..2..1
..2..1..2..2....2..1..1..1....2..1..2..1....1..2..1..0....1..0..1..2
..1..0..1..1....1..2..2..0....1..2..0..2....2..0..2..1....2..2..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 07 2011
STATUS
approved