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A079192
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Number of non-associative non-commutative closed binary operations on a set of order n.
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6
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0, 0, 6, 18904, 4293916368, 298023193359221998, 10314424798468598595515695154, 256923577521058877628624940679487983651948, 6277101735386680763835789098689112757675628513119817261598
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OFFSET
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0,3
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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Christian van den Bosch (cjb(AT)cjb.ie), Jan 03 2003
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EXTENSIONS
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STATUS
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approved
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