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Search: id:A007174
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| A007174 |
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Number of simplicial 4-clusters with n cells.
(Formerly M2679)
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+0
1
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| 1, 1, 1, 3, 7, 20, 131, 815, 5142, 36800, 272093, 2077909, 16176607, 127997683, 1025727646, 8310377815, 68217725764, 560527576100, 4556993996246
(list; graph; listen)
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OFFSET
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1,4
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
F. Hering et al., The enumeration of stack polytopes and simplicial clusters, Discrete Math., 40 (1982), 203-217.
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CROSSREFS
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Sequence in context: A071688 A110149 A024331 this_sequence A091184 A065496 A018479
Adjacent sequences: A007171 A007172 A007173 this_sequence A007175 A007176 A007177
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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