A022852 Integer nearest n * e, where e is the natural log base.

0, 3, 5, 8, 11, 14, 16, 19, 22, 24, 27, 30, 33, 35, 38, 41, 43, 46, 49, 52, 54, 57, 60, 63, 65, 68, 71, 73, 76, 79, 82, 84, 87, 90, 92, 95, 98, 101, 103, 106, 109, 111, 114, 117, 120, 122, 125, 128, 130, 133, 136, 139, 141, 144, 147, 150, 152, 155, 158, 160

Offset

0,2

Comments

A022843(n) <= a(n) <= A121384(n). - Reinhard Zumkeller, Mar 17 2015

Links

Reinhard Zumkeller, Table of n, a(n) for n = 0..1000

Example

2 * e = 5.436563656918..., so a(2) = 5.
3 * e = 8.1548454853771357..., so a(3) = 8.
4 * e = 10.87312731383618..., so a(4) = 11.

Mathematica

Round[E * Range[0, 60]] (* Harvey P. Dale, Jan 08 2014 *)

Prog

(PARI) a(n)=n*exp(1)\1 \\ Charles R Greathouse IV, Jan 08 2014
(Haskell)
a022852 = round . (* exp 1) . fromIntegral
-- Reinhard Zumkeller, Mar 17 2015
(Magma) [Round(n*Exp(1)): n in [0..60]]; // G. C. Greubel, Sep 29 2018
(Scala) (0L to 59L).map(n => Math.round(n * Math.E)) // Alonso del Arte, Dec 14 2018

Crossrefs

Cf. A001113, A022843, A121384.

Sequence in context: A240603 A079392 A185723 * A180124 A095375 A345979

Adjacent sequences: A022849 A022850 A022851 * A022853 A022854 A022855

Keyword

nonn

Author

Clark Kimberling

Extensions

Zero prepended by Harvey P. Dale, Jan 08 2014

Status

approved