OFFSET
1,1
COMMENTS
Column 5 of A223432
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..1..4..1..3....0..1..4..7..3....0..1..4..7..3....0..1..4..8..4
..1..3..1..3..6....1..4..7..4..1....1..3..7.12..7....1..0..1..4..1
..0..1..3..6.11....4..7.12..7..4....4..7.12..7.12....3..1..3..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 20 2013
STATUS
approved