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A133172
Species of unordered Latin bi-trades of size n.
0
0, 0, 0, 1, 0, 1, 1, 5, 3, 17, 19, 131, 262, 1448, 5743, 34514, 194239, 1302209, 9011123
OFFSET
1,8
LINKS
I. M. Wanless, A computer enumeration of small latin trades, Australas. J. Combin. 39, (2007) 247-258.
CROSSREFS
Cf. A007083.
Sequence in context: A184537 A187809 A092893 * A363686 A075453 A349118
KEYWORD
nonn,more
AUTHOR
Ian Wanless, Oct 11 2007
STATUS
approved