login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A019155 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MEP = Melanophlogite [ Si46O92 ] . q R. 0
0, 0, 4, 2, 0, 28, 44, 44, 296, 732, 1124, 3644, 10508, 21864, 58260, 166444, 403156, 1030772, 2823720, 7302232, 18938492, 50966728, 135299056, 357236132, 957898256, 2568274480, 6865057172, 18460998564, 49776287892 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,3

REFERENCES

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.

LINKS

Table of n, a(n) for n=3..31.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A111549 A279411 A022696 * A107724 A247092 A177715

Adjacent sequences:  A019152 A019153 A019154 * A019156 A019157 A019158

KEYWORD

nonn,more

AUTHOR

Georg Thimm (mgeorg(AT)ntu.edu.sg)

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 10 2019

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 16 05:55 EDT 2022. Contains 356160 sequences. (Running on oeis4.)