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 A199007 #21 Jul 08 2025 20:28:24
%S A199007 192,21504,190080,10838016,16440,790224,64488
%N A199007 Related to number of cocyclic Hadamard matrices of order 4n.
%H A199007 V. Álvarez, J. A. Armario, M. D. Frau, and F. Gudiel, <a href="https://doi.org/10.1016/j.laa.2011.05.018">The maximal determinant of cocyclic (-1, 1)-matrices over D_{2t}</a>, Linear Algebra and its Applications, 2011, Volume 436, Issue 4, 15 February 2012, Pages 858-873. See Table 2.
%Y A199007 Cf. A007299, A199005, A199006.
%K A199007 nonn,more
%O A199007 1,1
%A A199007 _N. J. A. Sloane_, Nov 01 2011