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A199006 Related to number of Hadamard matrices of order 4n. 2

%I #15 Jul 01 2022 05:34:18

%S 192,21504,190080,10838016,16440,823616,74306

%N Related to number of Hadamard matrices of order 4n.

%H V. Alvarez, J. A. Armario, M. D. Frau, and F. Gudlel, <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 Cf. A007299, A048615, A048616, A199005, A199007.

%K nonn,hard

%O 1,1

%A _N. J. A. Sloane_, Nov 01 2011

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Last modified April 17 17:01 EDT 2024. Contains 371765 sequences. (Running on oeis4.)