OFFSET
1,3
COMMENTS
Column 8 of A184720.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..25
EXAMPLE
Some solutions for n=5
..7....0....3....0....6....2....7....4....7....7....0....8....3....0....6....3
..0....8....0....0....7....8....8....4....1....3....1....0....4....0....5....7
..7....8....3....4....7....4....3....0....0....4....5....0....8....0....5....2
..3....0....7....8....1....4....2....8....5....4....8....8....6....0....1....3
..6....0....6....4....5....6....6....4....7....7....3....0....1....8....7....7
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2011
STATUS
approved