OFFSET
1,1
COMMENTS
Diagonal of A229437
EXAMPLE
Some solutions for n=2
..4..0....3..2....1..2....3..0....3..4....5..3....0..2....4..3....1..4....3..2
..3..0....4..1....0..2....4..4....5..6....2..3....1..3....0..0....5..6....5..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 23 2013
STATUS
approved