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 A238262 #6 Sep 12 2015 11:00:29 %S A238262 2,4,2,5,2,1,9,1,2,8,1,5,2,3,5,9,8,5,9,4,9,3,2,1,0,8,0,3,8,6,3,9,2,0, %T A238262 2,9,5,1,3,8,3,2,8,7,2,3,5,3,2,7,6,1,2,1,1,5,4,1,0,1,7,8,0,6,6,8,7,0, %U A238262 5,1,9,4,8,3,8,5,5,0,9,5,1,1,5,9,2,0,4,4,5,3,9,3,9,9,8,0,6,5,5,0,4,2,0,4 %N A238262 Decimal expansion of a multiplicative constant related to A187235. %H A238262 V. Kotesovec, <a href="https://oeis.org/wiki/User:Vaclav_Kotesovec">Non-attacking chess pieces</a>, 6ed, 2013, p.261. %F A238262 Equals lim n->infinity A187235(n) / ((n-1)! * A238261^n). %e A238262 0.242521912815235985949321... %Y A238262 Cf. A187235, A238261, A002465. %K A238262 nonn,cons %O A238262 0,1 %A A238262 _Vaclav Kotesovec_, Feb 21 2014