0,2

Vincenzo Librandi, Table of n, a(n) for n = 0..1000 (indices changed and term 1000 added by Ivan Panchenko)

Table[Ceiling[Pi Sqrt[n]], {n, 0, 100}] (* Vincenzo Librandi, Feb 21 2013 *)

Cf. A121275, A121276.

Sequence in context: A102691 A014553 A227422 * A239440 A248355 A178053

Adjacent sequences: A121852 A121853 A121854 * A121856 A121857 A121858

nonn,easy

Mohammad K. Azarian, Aug 30 2006

Offset corrected by Ivan Panchenko, Nov 13 2013

approved