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 A384156 #10 Jun 07 2025 09:54:24 %S A384156 1,1,2,3,3,7,4,10,7,10,34,32,6,13,21 %N A384156 Number of group Schur rings of the cyclic group Z_n. %H A384156 Andrew Misseldine, <a href="http://arxiv.org/abs/1508.03757">Counting Schur Rings over Cyclic Groups</a>, arXiv preprint arXiv:1508.03757 [math.RA], 2015. %H A384156 Andrew Misseldine, <a href="https://arxiv.org/abs/2112.03422">Enumeration Techniques on Cyclic Schur Rings</a>, arXiv preprint arXiv:2112.03422 [math.GR], 2021. %H A384156 Matan Ziv-Av, <a href="https://www.researchgate.net/publication/267000119_Enumeration_of_Schur_Rings_Over_Small_Groups">Enumeration of Schur Rings Over Small Groups</a>, Lecture Notes in Computer Science, International Workshop on Computer Algebra in Scientific Computing, Sept 2014. DOI:10.1007/978-3-319-10515-4_35 %Y A384156 Cf. A270785, A270786, A270787, A270789, A112951. %K A384156 nonn,more %O A384156 1,3 %A A384156 _Joseph E. Marrow_, May 20 2025