1,6
I. M. Wanless, A computer enumeration of small latin trades, Australas. J. Combin. 39, (2007) 247-258.
Cf. A007083.
Sequence in context: A011136 A067304 A103876 this_sequence A141618 A061691 A061356
Adjacent sequences: A133171 A133172 A133173 this_sequence A133175 A133176 A133177
nonn
Ian Wanless (ian.wanless(AT)sci.monash.edu.au), Oct 11 2007
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