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A263626 Number of self-complementary Seidel matrices of order n. 0

%I

%S 1,1,0,1,1,4,0,19,10,360,0,25112

%N Number of self-complementary Seidel matrices of order n.

%H G. Greaves, J. H. Koolen, A. Munemasa, F. Szöllősi, <a href="http://arxiv.org/abs/1403.2155">Equiangular lines in Euclidean spaces</a>, arXiv:1403.2155 [math.CO], 2014.

%K nonn,more

%O 1,6

%A _N. J. A. Sloane_, Oct 24 2015

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Last modified May 24 23:45 EDT 2020. Contains 334581 sequences. (Running on oeis4.)