OFFSET
1,4
COMMENTS
Column 4 of A263764
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=7
..3....0....2....4....0....2....4....4....4....2....0....2....4....4....1....4
..0....3....5....1....5....0....5....0....3....4....2....0....1....0....4....5
..2....6....1....0....2....5....6....2....1....0....6....6....0....1....6....0
..1....1....0....3....1....1....2....5....2....6....3....5....5....3....0....6
..5....4....6....2....6....6....0....1....0....3....1....3....3....5....3....1
..4....2....3....5....3....4....1....3....5....1....4....1....2....2....2....3
..6....5....4....6....4....3....3....6....6....5....5....4....6....6....5....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 25 2015
STATUS
approved