A133167 Species of Latin trades of size n.

0, 0, 0, 1, 0, 1, 1, 5, 4, 19, 26, 163, 445, 2302, 10795, 63624, 381626, 2547990, 17919970

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: A184297 A108412 A205008 * A133173 A307675 A266707

Adjacent sequences: A133164 A133165 A133166 * A133168 A133169 A133170

Keyword

nonn,more

Author

Ian Wanless, Oct 11 2007

Status

approved