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A133176 Isotopy classes of unordered latin bi-trades of size n. +0
1
0, 0, 0, 1, 0, 3, 1, 13, 7, 59, 70, 553, 1277, 7661, 32395, 199205, 1149306, 7752187, 53913897 (list; graph; listen)
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: A113139 A096773 A118384 this_sequence A089435 A088814 A088729

Adjacent sequences: A133173 A133174 A133175 this_sequence A133177 A133178 A133179

KEYWORD

nonn

AUTHOR

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

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.


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