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%I #7 Feb 28 2020 05:34:11
%S 0,0,0,1,0,3,1,13,7,59,70,553,1277,7661,32395,199205,1149306,7752187,
%T 53913897
%N Isotopy classes of unordered Latin bi-trades of size n.
%H I. M. Wanless, <a href="https://ajc.maths.uq.edu.au/pdf/39/ajc_v39_p247.pdf">A computer enumeration of small latin trades</a>, Australas. J. Combin. 39, (2007) 247-258.
%Y Cf. A007083.
%K nonn,more
%O 1,6
%A _Ian Wanless_, Oct 11 2007
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