

A022852


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


5



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
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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 A129260
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



