OFFSET
1,2
COMMENTS
Column 6 of A263939.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..99
EXAMPLE
Some solutions for n=7
..1....0....1....0....3....0....2....0....1....1....0....1....0....1....0....0
..2....2....2....1....1....2....1....1....0....0....1....2....3....0....2....2
..0....1....3....2....2....3....0....4....2....2....2....0....1....3....1....1
..3....3....0....4....0....4....3....3....5....4....3....3....2....2....3....3
..5....4....4....5....4....1....5....5....3....3....4....4....5....4....6....6
..4....5....5....3....5....5....4....2....4....6....5....5....4....5....5....4
..6....6....6....6....6....6....6....6....6....5....6....6....6....6....4....5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 30 2015
STATUS
approved