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Search: id:A121070
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| A121070 |
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Nonisomorphic catacondensed monoheptafusenes (see reference for precise definition). |
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+0
2
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| 1, 1, 4, 13, 56, 234, 1034, 4570, 20492, 92329, 418896
(list; graph; listen)
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OFFSET
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0,3
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REFERENCES
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B. N. Cyvin et al., A class of polygonal systems representing polycyclic conjugated hydrocarbons ..., Monat. f. Chemie, 125 (1994), 1327-1337 (see Table 1).
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CROSSREFS
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Equals sum of columns of triangle whose successive columns are A000007, A044045, A121071, A045904, ...
Sequence in context: A006604 A082570 A121076 this_sequence A009300 A039626 A006798
Adjacent sequences: A121067 A121068 A121069 this_sequence A121071 A121072 A121073
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KEYWORD
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nonn
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AUTHOR
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njas, Aug 10 2006
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