OFFSET
1,1
COMMENTS
Row 5 of A195892
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..55
EXAMPLE
Some solutions for n=4
..0..........0..........0..........0..........0..........0..........0
..3-3.......-3.3.......-3.3.......-2.2.......-1.1.......-4.4........1-1
.-2.4-2......0-2.2......4-3-1......3-3.0......3.1-4.....-1-1.2.....-4.3.1
.-2-2.0.4....3.1.0-4...-1.0.4-3....2.2.0-4...-1.0.2-1....3-1-4.2....2.2-1-3
..1.1.2-4.0..0-2-2.4.0..0.0-3.3.0.-3-1.0.4.0.-1-2.2.1.0..2-2.2-2.0..1-4.0.3.0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 24 2011
STATUS
approved