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A111274
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Erroneous enumeration of "congruent and symmetric divisions" of n points on a circle.
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0
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OFFSET
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1,2
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REFERENCES
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Motzkin, T. "Relations Between Hypersurface Cross Ratios and a Combinatorial Formula for Partitions of a Polygon for Permanent Preponderance and for Non-Associative Products." Bull. Amer. Math. Soc. 54, page 360, 1948.
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LINKS
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CROSSREFS
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See A111275 for the correct enumeration.
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KEYWORD
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dead
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EXTENSIONS
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a(5)=9 is clearly a clerical error.
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STATUS
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approved
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