A133164 - OEIS

%I #8 Feb 28 2020 04:38:11

%S 0,0,0,1,0,1,1,3,3,9,10,47,82,324,1053,4686,20337,99833,505865

%N Number of species of separated 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 1,8

%A _Ian Wanless_, Oct 11 2007