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%I #8 Oct 25 2015 05:35:47
%S 0,0,1,2,0,2,3,4,0,10
%N Number of Seidel matrices of order n with exactly three distinct eigenvalues, up to switching equivalence.
%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 3,4
%A _N. J. A. Sloane_, Oct 24 2015
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