OFFSET
1,1
COMMENTS
Column 7 of A215182
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..44
EXAMPLE
Some solutions for n=4
.....4........6........3........6........3........4........3........3
....3.5......6.6......2.4......6.6......1.5......4.4......3.3......3.3
...3.4.5....6.6.6....2.2.5....6.6.6....0.4.5....2.3.7....2.3.4....0.4.5
..2.3.5.6..4.6.7.7..0.1.4.7..6.6.6.6..0.1.5.6..1.3.5.7..0.1.5.6..0.2.3.7
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 05 2012
STATUS
approved