login
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
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