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%I #11 May 15 2021 03:53:19
%S 1,7,9,7,2,2,9,9,1,4,4
%N Decimal expansion of the solution to the Lane-Emden equation for a sphere of polytropic index n = 4.
%D Steven R. Finch, Mathematical Constants II, Cambridge University Press, 2018, section 2.14, pp. 338-339.
%D Eric Poisson and Clifford M. Will, Gravity: Newtonian, Post-Newtonian, Relativistic, Cambridge University Press, 2014, p. 74.
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Lane-Emden_equation">Lane-Emden equation</a>.
%e 1.7972299144...
%Y Cf. A002194 (n=0), A000796 (n=1), A248672 (n=2), A248673 (n=3), A002194 (n=5).
%K nonn,cons,more
%O 1,2
%A _Arkadiusz Wesolowski_, Oct 11 2014
%E a(6) corrected and more terms added from Finch (2018) by _Amiram Eldar_, May 15 2021
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