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Search: id:A130015
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| A130015 |
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Number of isomers for different number of substitutions of hydrogens by deuterium in the boat form of cyclohexane. |
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+0
2
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| 1, 4, 22, 60, 139, 208, 252, 208, 139, 60, 22, 4, 1
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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See Eq. 3 in the paper by Pevac and Crundwell for details.
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REFERENCES
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S. Pevac and G. Crundwell, "Polya's Isomer Enumeration Method: A Unique Exercise in Group Theory and Combinatorial Analysis for Undergraduates", J. Chem. Educ., Vol. 77 (2000), pp. 1358-1360
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EXAMPLE
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There are 4 isomers with one deuterium in the boat form of cyclohexane.
There are 252 isomers with six deuteriums in the boat form of cyclohexane.
There are 22 isomers with ten deuteriums in the boat form of cyclohexane.
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CROSSREFS
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Sequence in context: A098837 A104171 A036924 this_sequence A106846 A086863 A052149
Adjacent sequences: A130012 A130013 A130014 this_sequence A130016 A130017 A130018
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KEYWORD
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fini,nonn,full
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AUTHOR
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Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jul 31 2007, Aug 03 2007
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