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 A283310 #10 Jul 23 2025 15:41:39 %S A283310 0,1,2,0,1,2,0,2,0,1,2 %N A283310 Nim value of complete graph K_n. %C A283310 Skala (2016) asks if the positions of the 0's are given by A007066. %H A283310 Matthew Skala, <a href="https://arxiv.org/abs/1604.04072">Graph Nimors</a>, arXiv preprint arXiv:1604.04072 [math.CO], 2016. %Y A283310 Cf. A007066. %K A283310 nonn,more %O A283310 1,3 %A A283310 _N. J. A. Sloane_, Mar 06 2017