OFFSET
1,2
COMMENTS
See arXiv link for sets of permutations that achieve the value of a(n).
LINKS
Chai Wah Wu, Permutations r_j such that ∑i∏j r_j(i) is maximized or minimized. arXiv:1508.02934 [math.CO], 2015.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Chai Wah Wu, Jul 28 2015
STATUS
approved