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 A322779 #20 Jul 23 2025 16:00:30 %S A322779 1,2,5,12,24,50,101,202,398,806,1568,3148,6198,12306,24223,48314 %N A322779 132-avoiding permutations whose squares are also 132-avoiding. %H A322779 Miklos Bona, Rebecca Smith, <a href="https://arxiv.org/abs/1901.00026">Pattern avoidance in permutations and their squares</a>, arXiv:1901.00026 [math.CO], 2018. See Sect. 5. %Y A322779 Cf. A122584. %K A322779 nonn,more %O A322779 1,2 %A A322779 _N. J. A. Sloane_, Jan 04 2019 %E A322779 Name clarified by _Colin Defant_, Apr 30 2019