OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..10000
PROG
(Magma) [2*n-Floor(n*(Sqrt(1/3))): n in [0..70]]; // Vincenzo Librandi, Sep 12 2011
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Sep 09 2011
STATUS
approved