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 A075709 #5 Feb 27 2020 07:05:06 %S A075709 1,1,4,4,9,9,16,17,25,27,36 %N A075709 Upper irredundance number for kings graph K_n on n^2 nodes. %H A075709 Matthew D. Kearse and Peter B. Gibbons, <a href="http://ajc.maths.uq.edu.au/pdf/23/ocr-ajc-v23-p253.pdf">Computational Methods and New Results for Chessboard Problems</a>, Australasian Journal of Combinatorics 23 (2001), 253-284. %H A075709 Matthew D. Kearse and Peter B. Gibbons, <a href="https://doi.org/10.1016/S0012-365X(01)00467-8">A new lower bound on upper irredundance in the queens' graph</a>, Discrete Math., 256 (2002), 225-242. %Y A075709 Cf. A075692. %K A075709 nonn,more %O A075709 1,3 %A A075709 Peter Gibbons (peter-g(AT)cs.auckland.ac.nz), Oct 13 2002