OFFSET
1,4
COMMENTS
Column 1 of A209023
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
All solutions for n=6
..2....3....3....5....2....4....1....3....4....2....4....5....2....1....1....5
..3....4....3....3....2....4....1....1....1....2....2....1....4....1....1....2
..2....2....3....1....2....1....2....1....1....2....3....1....2....3....1....2
..2....3....3....1....2....1....2....3....2....2....2....1....1....1....1....2
..3....2....3....3....2....4....2....1....4....1....4....1....1....1....1....2
..2....4....3....5....2....4....2....1....2....1....3....5....4....3....1....5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 04 2012
STATUS
approved