OFFSET
1,1
COMMENTS
Column 4 of A203672.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..73
EXAMPLE
Some solutions for n=4
..6..6..6..6..6....4..3..2..6..5....3..0..2..6..4....0..1..1..5..3
..6..6..6..6..6....2..5..6..5..6....1..4..4..4..6....3..2..5..2..6
..6..6..6..6..6....5..6..5..6..5....3..6..6..6..6....0..5..2..5..3
..6..6..6..6..6....6..5..6..5..6....6..6..6..6..6....2..3..6..3..5
..6..6..6..6..6....5..6..5..6..5....6..6..6..6..6....6..6..3..6..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 04 2012
STATUS
approved