OFFSET
1,1
COMMENTS
Row 6 of A215182
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..85
EXAMPLE
Some solutions for n=4
.......2............2............2............2............2............2
......2.2..........1.3..........1.3..........2.2..........1.3..........2.2
.....1.2.3........1.2.3........1.2.3........0.2.4........1.2.3........1.2.3
....1.1.3.3......1.2.2.3......0.2.2.4......0.2.2.4......0.2.3.3......0.2.2.4
...1.1.2.2.4....1.1.2.3.3....0.1.2.3.4....0.1.1.4.4....0.2.2.3.3....0.2.2.2.4
..0.1.2.2.3.4..0.1.2.3.3.3..0.0.1.3.4.4..0.2.2.2.2.4..0.2.2.2.2.4..0.1.1.3.3.4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 05 2012
STATUS
approved