cp's OEIS Frontend

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.

A076019 Number of nonisomorphic commutative systems with n elements with one binary operation satisfying the equation B(AB)=A (totally-symmetric quasigroups).

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%I A076019 #15 Dec 02 2022 19:46:16
%S A076019 1,1,2,2,1,3,3,13,12,139,65,25894,24316,92798256,122859802,
%T A076019 4366600209354
%N A076019 Number of nonisomorphic commutative systems with n elements with one binary operation satisfying the equation B(AB)=A (totally-symmetric quasigroups).
%H A076019 Hy Ginsberg, <a href="https://arxiv.org/abs/2211.13204">Totally Symmetric Quasigroups of Order 16</a>, arXiv preprint (2022). arXiv:2211.13204 [math.CO]
%H A076019 Brendan D. McKay and Ian M. Wanless, <a href="https://doi.org/10.1002/jcd.21814">Enumeration of Latin squares with conjugate symmetry</a>, J. Combin. Des. 30 (2022), 105-130.
%Y A076019 Cf. A076016-A076021.
%K A076019 nonn,hard,more
%O A076019 1,3
%A A076019 Richard C. Schroeppel, Oct 29 2002
%E A076019 a(10)-a(15) from _Ian Wanless_, Dec 08 2021
%E A076019 a(16) from Ginsberg link via _Charles R Greathouse IV_, Dec 02 2022