A130015 Number of isomers for different number of substitutions of hydrogen atoms by deuterium in the boat form of cyclohexane.

1, 4, 22, 60, 139, 208, 252, 208, 139, 60, 22, 4, 1

Offset

0,2

Comments

See Eq. 3 in the paper by Pevac and Crundwell for details.

References

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

Links

Table of n, a(n) for n=0..12.

Example

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.

Crossrefs

Sequence in context: A098837 A104171 A036924 * A189953 A174814 A106846

Adjacent sequences: A130012 A130013 A130014 * A130016 A130017 A130018

Keyword

fini,nonn,full

Author

Parthasarathy Nambi, Jul 31 2007, Aug 03 2007

Status

approved