login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A133163 Number of species of genus 1 Latin bi-trades of size n. 0
0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 10, 21, 123, 565, 3003, 14944, 75985, 371549 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,12

REFERENCES

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

LINKS

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

CROSSREFS

Cf. A007083.

Sequence in context: A119033 A171067 A121807 * A242831 A177131 A177180

Adjacent sequences:  A133160 A133161 A133162 * A133164 A133165 A133166

KEYWORD

nonn

AUTHOR

Ian Wanless, Oct 11 2007

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 29 16:58 EST 2020. Contains 331347 sequences. (Running on oeis4.)