This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A248672 #12 May 15 2021 03:53:30 %S A248672 2,4,1,1,0,4,6,0,1,2,0,9,6,8,9,3,7,8,3,6,4,8,4,4,2,7,4,4,6,7,1,4 %N A248672 Decimal expansion of the solution to the Lane-Emden equation for a sphere of polytropic index n = 2. %D A248672 Steven R. Finch, Mathematical Constants II, Cambridge University Press, 2018, section 2.14, pp. 338-339. %H A248672 Vassilis S. Geroyannis and Vasileios G. Karageorgopoulos, <a href="https://arxiv.org/abs/1604.08019">A parallel code for multiprecision computations of the Lane-Emden differential equation</a>, arXiv:1604.08019 [astro-ph.SR], 2016. %H A248672 Wikipedia, <a href="http://en.wikipedia.org/wiki/Lane-Emden_equation">Lane-Emden equation</a>. %e A248672 2.4110460120968937836484427446714... %Y A248672 Cf. A010480 (n=0), A000796 (n=1), A248673 (n=3), A248674 (n=4), A002194 (n=5). %K A248672 nonn,cons,more %O A248672 1,1 %A A248672 _Arkadiusz Wesolowski_, Oct 11 2014 %E A248672 More terms from Geroyannis and Karageorgopoulos (2016) added by _Amiram Eldar_, May 15 2021