A121899 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

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

(list; graph; refs; listen; history; text; internal format)

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