login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A001671 Powers of e rounded up. 9
1, 3, 8, 21, 55, 149, 404, 1097, 2981, 8104, 22027, 59875, 162755, 442414, 1202605, 3269018, 8886111, 24154953, 65659970, 178482301, 485165196, 1318815735, 3584912847, 9744803447, 26489122130, 72004899338, 195729609429, 532048240602, 1446257064292, 3931334297145, 10686474581525 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

T. D. Noe, Table of n, a(n) for n = 0..500

MATHEMATICA

Table[Ceiling[E^n], {n, 0, 50}] (* T. D. Noe, Aug 09 2012 *)

PROG

(PARI) apply( A001671(n)=exp(n)\1+!!n, [0..30]) \\ An error message will say so if default(realprecision) must be increased, for large n. - M. F. Hasler, May 27 2018

CROSSREFS

Cf. A000149 (floor(e^n)), A000227 (round(e^n)).

Sequence in context: A001906 A278613 A072632 * A278616 A278615 A090413

Adjacent sequences:  A001668 A001669 A001670 * A001672 A001673 A001674

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 23 14:06 EDT 2018. Contains 316528 sequences. (Running on oeis4.)