OFFSET
1,1
COMMENTS
Column 6 of A195232
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..15
EXAMPLE
Some solutions for n=4
..6........4........5........4........2........2........3........2
..5.5......4.4......4.5......4.4......2.3......2.2......4.4......1.2
..5.6.5....4.4.3....4.4.4....5.5.5....3.3.3....2.2.2....3.3.3....1.1.1
..6.6.5.4..4.3.3.4..3.4.4.3..5.6.5.6..2.2.2.3..1.2.1.1..3.4.4.3..1.0.1.1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 13 2011
STATUS
approved