OFFSET
1,1
COMMENTS
Column 5 of A201729
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..21
EXAMPLE
Some solutions for n=2
..0..0..0..1..4....0..0..1..3..3....1..2..3..4..4....0..1..2..3..4
..2..2..3..4..1....0..0..4..2..3....4..1..3..4..4....0..3..3..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 04 2011
STATUS
approved