%I #13 Feb 16 2025 08:33:08
%S 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
%N Decimal expansion of the Takeuchi-Prellberg constant.
%D Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, pp. 321-322.
%H Thomas Prellberg, <a href="https://doi.org/10.1007/978-1-4613-0257-5_14">On the asymptotics of Takeuchi numbers</a>, Symbolic Computation, Number Theory, Special Functions, Physics and Combinatorics. Springer, Boston, MA, 2001, pp. 231-242; <a href="https://arxiv.org/abs/math/0005008">arXiv preprint</a>, arXiv:math/0005008 [math.CO], 2000.
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Takeuchi-PrellbergConstant.html">Takeuchi-Prellberg Constant</a>.
%F 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
%e 2.239433104005260731754785...
%Y Cf. A000110, A000651.
%K nonn,cons,more,changed
%O 1,1
%A _Eric W. Weisstein_, Aug 05 2008
%E More terms (from article by Prellberg) added _Vaclav Kotesovec_, Sep 16 2013