A121899 a(n) = ceiling((Pi + e)*sqrt(n)).

0, 6, 9, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 22, 23, 24, 25, 25, 26, 27, 27, 28, 29, 29, 30, 30, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37, 38, 38, 38, 39, 39, 40, 40, 41, 41, 42, 42, 42, 43, 43, 44, 44, 44, 45, 45, 46, 46, 46, 47, 47, 47, 48, 48, 48, 49, 49

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..999 [Offset shifted by Georg Fischer, Sep 02 2022]

Mathematica

Table[Ceiling[(Pi + E) Sqrt[n]], {n, 0, 70}] (* Vincenzo Librandi, Feb 21 2013 *)

Prog

(PARI) for(n=0, 50, print1(ceil((exp(1)+Pi)*sqrt(n)), ", ")) \\ G. C. Greubel, Oct 28 2017
(Magma) C<i> := ComplexField(); [Ceiling((Exp(1) + Pi(C))*Sqrt(n)): n in [0..50]]; // G. C. Greubel, Oct 28 2017

Crossrefs

Cf. A059742 (Pi+e), A121854, A121855, A121856, A121857.

Sequence in context: A106248 A132725 A338596 * A357324 A276419 A184104

Adjacent sequences: A121896 A121897 A121898 * A121900 A121901 A121902

Keyword

nonn,easy

Author

Mohammad K. Azarian, Sep 01 2006

Extensions

Offset corrected by Mohammad K. Azarian, Nov 20 2008

Offset changed to 0 by Georg Fischer, Sep 02 2022

Status

approved