A133175 Transposition classes of ordered Latin bi-trades of size n.

0, 0, 0, 1, 0, 2, 1, 9, 7, 40, 63, 401, 1202, 6503, 31512, 187798, 1138317, 7625934, 53764585

Offset: 1

Author

Ian Wanless, Oct 11 2007

Keywords

• nonn
• more

Links

• I. M. Wanless, A computer enumeration of small latin trades, Australas. J. Combin. 39, (2007) 247-258.

Crossrefs

Cf. A007083.