OFFSET
1,1
COMMENTS
Diagonal of A268261.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=5
..0....4....2....3....1....1....4....4....2....2....1....4....5....4....1....4
..3....2....1....0....3....0....3....0....0....5....0....5....0....2....3....0
..0....4....2....1....2....2....1....3....0....0....1....1....2....5....0....2
..3....0....1....0....3....5....5....5....4....0....3....5....0....3....3....0
..5....2....4....0....2....2....2....3....1....0....5....4....1....2....0....3
..1....4....2....4....4....3....4....2....3....2....4....5....3....3....5....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 29 2016
STATUS
approved