OFFSET
1,1
COMMENTS
Column 7 of A247404
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..2....4....5....1....7....1....1....5....7....6....1....0....2....0....2....6
..6....2....5....4....7....5....0....1....6....7....1....5....5....5....0....6
..4....2....3....3....5....7....2....1....4....3....1....7....6....1....7....3
..7....6....0....4....0....4....4....6....2....7....0....0....2....3....2....0
..7....5....6....4....6....1....7....7....2....7....3....6....7....1....6....6
..7....7....6....7....5....1....4....5....3....5....6....5....5....6....0....6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 16 2014
STATUS
approved