OFFSET
1,2
COMMENTS
0 <= a(n) - A022838(n) <= 1.
LINKS
R. Zumkeller, Table of n, a(n) for n = 1..10000
EXAMPLE
a(5)=z(25,5)=z(20,6)=z(14,7)=z(7,8)=8;
a(6)=z(36,6)=z(30,7)=z(23,8)=z(15,9)=z(6,10)=10.
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Sep 09 2008
STATUS
approved