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Search: id:A038140
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| A038140 |
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Number of planar polyhexes with n cells and a single hole. |
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+0
2
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| 0, 0, 0, 0, 0, 0, 0, 1, 5, 43, 283, 1954, 12363, 76283, 453946, 2641506
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OFFSET
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1,9
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REFERENCES
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S. J. Cyvin et al., The simplest coronoids: hollow hexagons, Struct. Chem., 2 (1991), 555-566.
J. V. Knop et al., Use of small computers for large computations..., J. Chem. Inf. Comput Sci., 30 (1990), 159-160.
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CROSSREFS
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Cf. A018190, A038141.
Sequence in context: A139885 A102851 A126963 this_sequence A082311 A112115 A083070
Adjacent sequences: A038137 A038138 A038139 this_sequence A038141 A038142 A038143
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KEYWORD
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nonn
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AUTHOR
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njas
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