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