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 A359441 #10 Jan 01 2023 08:44:01
%S A359441 1,9,4,4,0,0
%N A359441 The n-Queens Constant.
%C A359441 Lower bound: 1.944000752019729...
%C A359441 Upper bound: 1.9440010813092217...
%H A359441 Don Knuth, <a href="https://www-cs-faculty.stanford.edu/~knuth/papers/Xqueens-and-Xqueenons.pdf">Xqueens and Xqueenons</a>, 2021.
%H A359441 Parth Nobel, Akshay Agrawal and Stephen Boyd, <a href="https://arxiv.org/abs/2112.03336">Computing tighter bounds on the n-queens constant via Newton’s method</a>, arXiv:2112.03336 [math.CO], 2021.
%H A359441 Parth Nobel, Akshay Agrawal and Stephen Boyd, <a href="https://doi.org/10.1007/s11590-022-01933-2">Computing tighter bounds on the n-queens constant via Newton’s method</a>, Sep 17 2022.
%H A359441 Michael Simkin, <a href="https://arxiv.org/abs/2107.13460">The number of n-queens configurations</a>, arXiv:2107.13460 [math.CO], 2021.
%H A359441 Cheng Zhang and Jianpeng Ma, <a href="http://arxiv.org/abs/0808.4003">Counting Solutions for the N-queens and Latin Square Problems by Efficient Monte Carlo Simulations</a>, arXiv:0808.4003 [cond-mat.stat-mech], 2008.
%F A359441 Lim_{n->infinity} A000170(n)^(1/n)/n = exp(-A359441).
%e A359441 1.94400...
%Y A359441 Cf. A000170.
%K A359441 nonn,cons,hard,more
%O A359441 1,2
%A A359441 _Vaclav Kotesovec_, Jan 01 2023