The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A012715 Expansion of e.g.f. sinh(arctanh(x) * exp(x)). 0
0, 1, 2, 6, 24, 160, 1120, 9296, 79744, 791232, 8303488, 98662784, 1234416128, 17090231808, 247660907520, 3911062116352, 64395491606528, 1142963925405696, 21081499860049920, 415641154415091712 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
EXAMPLE
x + 2/2!*x^2 + 6/3!*x^3 + 24/4!*x^4 + 160/5!*x^5 ...
CROSSREFS
Sequence in context: A013010 A275955 A009608 * A038205 A012361 A308111
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
a(0) inserted and title improved by Sean A. Irvine, Jul 24 2018
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 June 13 15:51 EDT 2024. Contains 373389 sequences. (Running on oeis4.)