OFFSET
1,1
COMMENTS
Diagonal of A223415
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..11
EXAMPLE
Some solutions for n=3
..4..7..3....8..4..1....2..4..1....5..8..4....1..4..1....1..3..7....4..2..0
..1..4..7....4..8..4....4..7..3....8..4..2....0..2..4....3..7..4....2..0..1
..4..7..4....2..4..2....1..3..7....4..2..5....2..4..8....1..4..8....0..2..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 20 2013
STATUS
approved