OFFSET
1,1
COMMENTS
Column 6 of A265447.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..68
EXAMPLE
Some solutions for n=3
..0..2..4..5..6..7....0..2..3..2..4..6....0..2..3..2..4..6....0..1..2..4..2..4
..2..3..2..3..5..6....2..4..5..4..3..5....2..4..2..4..3..5....2..3..4..5..4..5
..3..4..3..4..6..7....1..2..4..6..5..7....3..5..4..6..5..7....3..5..6..4..6..7
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2015
STATUS
approved