OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..10000
MATHEMATICA
With[{c=Sqrt[13]}, Ceiling[c*Range[0, 60]]] (* Harvey P. Dale, Jul 31 2012 *)
PROG
(Magma) [Ceiling(n*Sqrt(13)): n in [0..60]]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Oct 24 2011
STATUS
approved