OFFSET
1,1
COMMENTS
Column 7 of A200668
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=6
..4....4....2....5....3....0....1....1....4....4....0....0....0....6....0....0
..6....4....6....7....7....0....7....3....5....5....4....5....3....7....4....0
..6....3....0....4....6....1....7....5....2....5....5....5....6....5....4....3
..4....4....6....5....3....1....7....4....4....6....7....6....1....4....1....7
..2....5....6....0....7....4....6....7....3....0....6....2....6....0....4....4
..5....5....5....1....4....6....7....5....5....7....6....7....6....7....2....6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 20 2011
STATUS
approved