OFFSET
1,1
COMMENTS
Column 4 of A223467
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..1..4..2..5....1..4..7.11....1..0..2..0...10..6.11..7....1..4..7..3
..3..7..4..8....4..7.12..7....0..1..4..2....6..3..7..4....3..7..3..1
..1..4..8..4....7..3..7..4....2..0..2..5...11..7.11..7....7.12..7..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 20 2013
STATUS
approved