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!)
A143307 Decimal expansion of the Takeuchi-Prellberg constant. 1
2, 2, 3, 9, 4, 3, 3, 1, 0, 4, 0, 0, 5, 2, 6, 0, 7, 3, 1, 7, 5, 4, 7, 8, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
1,1
REFERENCES
Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, pp. 321-322.
LINKS
Thomas Prellberg, On the asymptotics of Takeuchi numbers, Symbolic Computation, Number Theory, Special Functions, Physics and Combinatorics. Springer, Boston, MA, 2001, pp. 231-242; arXiv preprint, arXiv:math/0005008 [math.CO], 2000.
Eric Weisstein's World of Mathematics, Takeuchi-Prellberg Constant.
FORMULA
Equals lim_{n->oo} exp(-W(n)^2/2)*A000651(n)/A000110(n), where W is the Lambert W function (Prellberg, 2001). - Amiram Eldar, Apr 11 2022
EXAMPLE
2.239433104005260731754785...
CROSSREFS
Sequence in context: A203371 A181206 A274959 * A278463 A276248 A322891
KEYWORD
nonn,cons,more
AUTHOR
Eric W. Weisstein, Aug 05 2008
EXTENSIONS
More terms (from article by Prellberg) added Vaclav Kotesovec, Sep 16 2013
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 July 20 15:01 EDT 2024. Contains 374459 sequences. (Running on oeis4.)