OFFSET
1,2
COMMENTS
Column 3 of A263905.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=7
..3....1....1....1....1....1....0....1....0....1....1....0....0....0....0....0
..0....4....2....0....2....0....2....0....1....0....2....1....1....2....1....1
..1....0....0....4....0....4....5....5....2....5....4....5....3....5....5....5
..5....3....6....2....3....2....4....3....6....3....0....2....5....4....2....6
..2....2....5....5....4....3....1....2....5....2....6....6....4....1....6....3
..4....6....3....6....6....5....3....6....3....4....3....4....2....6....3....2
..6....5....4....3....5....6....6....4....4....6....5....3....6....3....4....4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 29 2015
STATUS
approved