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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A090170 a(n) = floor(e^(n*g)), where g = Euler's Gamma constant, 0.57721566490153... 0
1, 1, 3, 5, 10, 17, 31, 56, 101, 180, 321, 572, 1019, 1814, 3232, 5757, 10254, 18263, 32528, 57936, 103188, 183786, 327336, 583010, 1038383, 1849436, 3293980, 5866817, 10449227, 18610831, 33147237, 59037630, 105150296, 187280292, 333559762, 594094093 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

a(n)/a(n-1) converges to e^g. Example: a(27)/a(26) = 5866817/3293980 = 1.781072441, where e^g = 1.78107241799... = A073004.

LINKS

Table of n, a(n) for n=0..35.

EXAMPLE

a(11): 11*g = 6.349372...; e^6.349372...= 572.13347...; take floor => 572.

MATHEMATICA

Floor[E^(EulerGamma*Range[50])] (* Harvey P. Dale, May 21 2021 *)

CROSSREFS

Cf. A001113, A001620, A073004.

Sequence in context: A215004 A005403 A018072 * A301751 A054166 A265317

Adjacent sequences:  A090167 A090168 A090169 * A090171 A090172 A090173

KEYWORD

nonn

AUTHOR

Gary W. Adamson, Nov 23 2003

EXTENSIONS

Corrected by Harvey P. Dale, May 21 2021

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 15 13:59 EDT 2022. Contains 356145 sequences. (Running on oeis4.)