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%I #8 Nov 09 2016 02:35:33
%S 1,3,10,47,314,3360,59744
%N Number of n X n QR matrix classes.
%H D. S. Dummit, E. P. Dummit, H. Kisilevsky, <a href="https://arxiv.org/abs/1512.06480">Characterizations of quadratic, cubic, and quartic residue matrices</a>, arXiv preprint arXiv:1512.06480 [math.NT], 2015.
%Y Cf. A277748.
%K nonn,more
%O 1,2
%A _N. J. A. Sloane_, Nov 08 2016
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