OFFSET
1,1
COMMENTS
Column 6 of A189449
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n) = 55*a(n-1) -257*a(n-2) -66*a(n-3) -558*a(n-4) +20414*a(n-5) -105459*a(n-6) +187369*a(n-7) -105459*a(n-8) +20414*a(n-9) -558*a(n-10) -66*a(n-11) -257*a(n-12) +55*a(n-13) -a(n-14) for n>15
EXAMPLE
Some solutions for 3X6
..0..2..1..4.11..5....1..0..2..3..4..5....0..1..3..2.11..5....1..0..9..2..5..4
..6..7..9..8..3.10....6..7.15.16.17.11...13.14..7..8.17..4....6.14.15.10..3.11
.12.13.14.15.17.16...12.13.14..8..9.10...12..6.15.16..9.10...12.13..7..8.16.17
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 22 2011
STATUS
approved