OFFSET
1,1
COMMENTS
Diagonal of A235239.
EXAMPLE
Some solutions for n=4:
3 2 5 2 3 4 1 5 1 6 3 5 3 6 2 4 2 4 1 5
1 6 3 6 1 3 6 4 6 5 5 1 5 2 4 2 6 2 5 3
3 2 5 2 3 4 1 5 1 6 1 3 1 4 0 5 3 5 2 6
1 6 3 6 1 1 4 2 4 3 5 1 5 2 4 0 4 0 3 1
3 2 5 2 3 3 0 4 0 5 2 4 2 5 1 4 2 4 1 5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2014
STATUS
approved