OFFSET
1,1
COMMENTS
Diagonal of A234131
EXAMPLE
Some solutions for n=2
..4..3..4....5..4..4....3..2..2....1..1..1....4..4..4....6..5..5....5..5..5
..4..4..4....4..4..5....2..2..1....2..2..1....4..4..3....6..5..4....5..5..5
..5..4..4....3..4..5....1..2..2....2..1..2....5..4..4....6..5..5....4..5..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 19 2013
STATUS
approved