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A133177
Isotopy classes of ordered Latin bi-trades of size n.
0
0, 0, 0, 1, 0, 3, 1, 13, 10, 66, 112, 723, 2283, 12616, 62175, 372420, 2269398, 15225551, 107457456
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,6
LINKS
Table of n, a(n) for n=1..19.
I. M. Wanless, A computer enumeration of small latin trades, Australas. J. Combin. 39, (2007) 247-258.
CROSSREFS
Cf. A007083.
Sequence in context: A331548 A068439 A133171 * A184828 A331998 A053286
Adjacent sequences: A133174 A133175 A133176 * A133178 A133179 A133180
KEYWORD
nonn,more
AUTHOR
Ian Wanless, Oct 11 2007
STATUS
approved

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Last modified September 28 15:16 EDT 2024. Contains 376297 sequences.
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