1,6
I. M. Wanless, A computer enumeration of small latin trades, Australas. J. Combin. 39, (2007) 247-258.
Cf. A007083.
Sequence in context: A088729 A142888 A068439 * A133177 A184828 A053286
Adjacent sequences: A133168 A133169 A133170 * A133172 A133173 A133174
nonn
Ian Wanless (ian.wanless(AT)sci.monash.edu.au), Oct 11 2007