OFFSET
1,2
COMMENTS
Column 7 of A200154
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..26
EXAMPLE
Some solutions for n=6
..5....1....5....1....5....6....4....4....6....0....2....3....7....5....5....5
..0....7....7....0....4....5....0....2....1....0....1....6....5....0....2....3
..3....4....3....0....7....1....3....3....6....3....0....7....5....0....4....5
..6....2....2....0....7....0....4....3....6....3....2....5....4....2....4....6
..5....3....4....1....4....3....2....2....0....0....5....2....3....4....1....4
..0....1....0....6....5....6....4....4....1....0....2....3....7....5....0....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 13 2011
STATUS
approved