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Search: id:A121254
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| A121254 |
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Number of conjugated cycles composed of six carbons in (n,n)-nanotubes in terms of the number of naphthalene units. |
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1
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| 4, 16, 60, 208, 680, 2136, 6524, 19520, 57492, 167240, 481624, 1375536
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OFFSET
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1,1
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COMMENT
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See Table 2 on page 412 of Lukovits and Janezic paper for details.
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REFERENCES
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I. Lukovits and D. Janezic., "Enumeration of conjugated circuits in nanotubes", J. Chem. Inf. Comput. Sci., vol. 44 (2004) pp. 410-414.
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EXAMPLE
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If n=5 then the number of conjugated cycles composed of six carbons in (n,n)-nanotubes is 680 which is the fifth term in the sequence. Here n is the number of naphthalene units.
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CROSSREFS
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Sequence in context: A047123 A032094 A055295 this_sequence A119827 A089883 A089932
Adjacent sequences: A121251 A121252 A121253 this_sequence A121255 A121256 A121257
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KEYWORD
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nonn
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AUTHOR
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Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Aug 22 2006
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