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 A337653 #11 Jul 24 2025 10:50:59 %S A337653 2,96,328704,156581756928,16988273098107125760 %N A337653 Volume of the dual signed Birkhoff polytope C(n). %H A337653 Florian Kohl, McCabe Olsen, and Raman Sanyal, <a href="https://arxiv.org/abs/1906.01469">Unconditional reflexive polytopes</a>, arXiv:1906.01469 [math.CO], 2019. Also Discrete and Computational Geom., 64:2 (2020), 427-452. %F A337653 a(n) = A337652(n) * 2^(n^2). - _Andrei Zabolotskii_, Jul 24 2025 %Y A337653 Cf. A337650, A337651, A337652. %K A337653 nonn,more %O A337653 1,1 %A A337653 _N. J. A. Sloane_, Sep 26 2020