OFFSET
1,5
EXAMPLE
For j = 3, R = (3,2,1) and S=(1,2,3), we get b(3)=13. And for j = 3, R = (3,2,1) and S=(1,3,2), we get b(3)=13. So a(13) is at least 2.
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Leroy Quet, Feb 21 2010
STATUS
approved