OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..10000
MATHEMATICA
Ceiling[Sqrt[12]Range[0, 60]] (* Harvey P. Dale, Aug 27 2013 *)
PROG
(Magma) [Ceiling(n*Sqrt(12)): n in [0..60]]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Oct 24 2011
STATUS
approved