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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; internal format)
OFFSET

1,6

REFERENCES

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

CROSSREFS

Cf. A007083.

Sequence in context: A142888 A068439 A133171 * A184828 A053286 A008826

Adjacent sequences:  A133174 A133175 A133176 * A133178 A133179 A133180

KEYWORD

nonn

AUTHOR

Ian Wanless (ian.wanless(AT)sci.monash.edu.au), Oct 11 2007

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Last modified February 14 03:37 EST 2012. Contains 205570 sequences.