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A133169
Transposition classes of Latin trades of size n.
0
0, 0, 0, 1, 0, 2, 1, 9, 7, 40, 63, 401, 1202, 6503, 31505, 187643, 1137602, 7617639, 53688610
OFFSET
1,6
LINKS
I. M. Wanless, A computer enumeration of small latin trades, Australas. J. Combin. 39, (2007) 247-258.
CROSSREFS
Cf. A007083.
Sequence in context: A016632 A176400 A021459 * A133175 A188659 A042977
KEYWORD
nonn,more
AUTHOR
Ian Wanless, Oct 11 2007
STATUS
approved