OFFSET
1,1
COMMENTS
Row 7 of A215182
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..62
EXAMPLE
Some solutions for n=4
........2..............2..............2..............2..............2
.......2.2............2.2............1.3............2.2............1.3
......2.2.2..........1.2.3..........1.2.3..........2.2.2..........0.3.3
.....0.1.3.4........1.1.3.3........0.2.3.3........1.1.3.3........0.1.3.4
....0.1.2.3.4......1.1.2.3.3......0.0.2.4.4......1.1.1.3.4......0.2.2.2.4
...0.1.1.2.4.4....1.1.2.2.2.4....0.1.2.2.3.4....0.0.0.4.4.4....0.0.2.3.3.4
..0.1.1.2.2.4.4..0.1.1.1.3.4.4..0.1.2.2.2.3.4..0.0.1.3.3.3.4..0.0.0.3.3.4.4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 05 2012
STATUS
approved