OFFSET
1,1
COMMENTS
Column 7 of A214595
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..48
EXAMPLE
Some solutions for n=4
.....4........4........4........2........2........4........4........3
....6.2......6.2......6.2......0.4......2.2......2.6......6.2......2.4
...7.3.2....0.7.5....5.2.5....0.4.2....3.3.0....5.6.1....2.5.5....2.6.1
..4.5.4.3..1.3.5.7..7.2.1.6..3.4.1.0..0.0.2.6..5.3.3.5..7.1.4.4..3.5.0.4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 22 2012
STATUS
approved