OFFSET
1,1
COMMENTS
Column 7 of A194998
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..22
EXAMPLE
Some solutions for 4X4
..2........6........2........2........2........0........2........2
..3.2......7.6......3.4......3.2......3.2......1.0......3.2......1.2
..2.1.0....6.5.6....2.3.2....2.1.0....2.3.2....2.1.0....2.3.2....2.3.2
..1.0.1.0..5.6.7.6..3.4.3.2..1.2.1.0..1.2.1.0..1.2.1.0..3.4.3.2..3.4.3.4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 07 2011
STATUS
approved