OFFSET
1,1
COMMENTS
Column 4 of A254947
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..3....5....2....2....5....4....5....2....3....3....3....5....5....4....2....4
..3....2....3....2....1....1....4....3....1....2....4....4....1....5....1....3
..2....2....5....2....3....1....5....1....5....1....2....1....4....1....2....2
..1....2....1....2....1....4....4....1....2....4....3....1....1....5....4....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 10 2015
STATUS
approved