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!)
A133177 Isotopy classes of ordered Latin bi-trades of size n. 0
0, 0, 0, 1, 0, 3, 1, 13, 10, 66, 112, 723, 2283, 12616, 62175, 372420, 2269398, 15225551, 107457456 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

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: A331548 A068439 A133171 * A184828 A331998 A053286

Adjacent sequences:  A133174 A133175 A133176 * A133178 A133179 A133180

KEYWORD

nonn,more

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 July 13 04:53 EDT 2020. Contains 335673 sequences. (Running on oeis4.)