OFFSET
1,2
COMMENTS
Column 6 of A229717.
EXAMPLE
Some solutions for n=4:
24 23 26 21 19 26 28 23 25 21 27 23 27 29 26 23
23 21 22 26 22 24 25 29 24 23 28 24 23 25 29 28
21 23 19 28 23 23 24 28 27 20 26 28 25 24 27 29
19 22 17 25 22 26 21 27 24 23 25 31 26 21 28 26
CROSSREFS
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Sep 27 2013
STATUS
approved