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A099121
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Number of orbits of the wreath product of S_n with S_n on n X n matrices over {0,1,2}.
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7
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3, 21, 220, 3060, 53130, 1107568, 26978328, 752538150, 23667689815, 828931106355, 32006008361808, 1350990969850340, 61902409203193230, 3060335715568296000, 162392216278033616560, 9206887338937200407418
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| This is the number the number of possible votes of n referees judging n dancers by a mark between 0 and 2, where the referees can not be distinguished.
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CROSSREFS
| Cf. A099122, A099123, A099124, A099125, A099126, A099127, A099128.
Cf. A107864. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 24 2008]
Sequence in context: A107716 A032033 * A107864 A113663 A082545 A074638
Adjacent sequences: A099118 A099119 A099120 * A099122 A099123 A099124
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KEYWORD
| nonn
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AUTHOR
| Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Sep 28 2004
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