OFFSET
1,1
COMMENTS
Column 4 of A198661
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..17
EXAMPLE
Some solutions with all values 0 to 7 for n=4
..0..0..1..1....0..0..1..1....0..1..2..2....0..1..2..3....0..1..1..2
..2..2..3..4....2..2..3..4....0..1..3..3....0..1..2..3....0..3..3..2
..5..6..3..4....5..5..3..4....4..5..5..6....4..5..6..6....4..5..5..6
..5..6..7..7....6..6..7..7....4..7..7..6....4..5..7..7....4..7..7..6
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 28 2011
STATUS
approved