A133165 Number of species of connected separated Latin bi-trades of size n.

0, 0, 0, 1, 0, 1, 1, 2, 3, 8, 9, 42, 78, 310, 1036, 4614, 20216, 99359, 504489

Offset

1,8

Links

Table of n, a(n) for n=1..19.

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

Crossrefs

Cf. A007083.

Sequence in context: A140484 A087034 A364382 * A019307 A342849 A247580

Adjacent sequences: A133162 A133163 A133164 * A133166 A133167 A133168

Keyword

nonn,more

Author

Ian Wanless, Oct 11 2007

Status

approved