OFFSET
1,2
COMMENTS
Column 7 of A195278
EXAMPLE
Some solutions for n=5
...0...............0...............0...............0...............0
..-5.-7...........-1.-5...........-7.-7...........-1.-8............4..6
..-8.-9.-8.........5..2..9........-7-14-17.........2.-4-11........-1.-1.-2
..-1.-2.-3..1.....-1.-5..2..8.....-4.-7-14-10......1.-1.-5.-7......2..4..4.-3
...5..3..3..5..6..-3.-2..5..9..6..-2.-5.-8-12-12..-1..4..0.-7-14...4..3..4.-3.-1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 14 2011
STATUS
approved