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A005841
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Number of 4-dimensional polytopes with n vertices.
(Formerly M3641)
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3
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OFFSET
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5,2
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REFERENCES
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H. T. Croft, K. J. Falconer and R. K. Guy, Unsolved Problems in Geometry, B15.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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CROSSREFS
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KEYWORD
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nonn,hard,nice,more
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AUTHOR
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EXTENSIONS
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a(9), from the paper by M. Firshing, added by Jud McCranie, Jan 30 2020
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STATUS
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approved
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