OFFSET
1,2
COMMENTS
Column 5 of A204213
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=5
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..2....3....5....3....4....0....5....4....2....3....4....3....4....5....4....1
..2....1....9....1....7....4....7....8....5....3....3....6....3....2....1....3
..1....1....7....3....5....3....8....5....8....7....6....1....2....3....0....3
..4....0....3....2....5....2....4....0....4....5....1....0....1....2....2....3
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 12 2012
STATUS
approved