1,6
I. M. Wanless, A computer enumeration of small latin trades, Australas. J. Combin. 39, (2007) 247-258.
Cf. A007083.
Sequence in context: A016632 A021459 A133169 this_sequence A042977 A108290 A108291
Adjacent sequences: A133172 A133173 A133174 this_sequence A133176 A133177 A133178
nonn
Ian Wanless (ian.wanless(AT)sci.monash.edu.au), Oct 11 2007
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