OFFSET
1,1
COMMENTS
Column 3 of A258631
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=8
..2....3....4....2....2....2....3....3....3....2....2....4....3....3....2....2
..2....3....2....1....2....1....4....2....1....1....2....2....3....1....1....3
..3....1....4....2....2....3....3....3....2....4....1....1....1....4....1....2
..1....1....4....2....2....2....2....4....2....3....4....1....3....4....2....1
..1....1....4....2....4....2....3....2....4....4....3....2....4....2....2....1
..1....3....2....1....3....2....1....1....2....4....3....2....2....2....4....3
..4....2....1....2....3....3....2....1....1....3....3....4....2....2....4....4
..4....2....4....2....4....3....2....4....1....1....2....4....3....2....4....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 06 2015
STATUS
approved