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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A019094 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite CHI = Chiavennite Ca4Mn4 [ Be8Si20O52(OH)8 ] . 8 H2O. 0
0, 2, 1, 0, 4, 0, 8, 4, 47, 76, 277, 596, 1637, 3606, 8987, 19704, 50026, 110922, 285395, 653034, 1678102, 3935494, 9994825, 23820918, 60044773, 144689760, 363299850, 883401512, 2215921319, 5428890596 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

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..32.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A115322 A053117 A121448 * A134082 A185740 A139360

Adjacent sequences: A019091 A019092 A019093 * A019095 A019096 A019097

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(21)-a(32) from Sean A. Irvine, Apr 03 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 November 29 08:47 EST 2022. Contains 358422 sequences. (Running on oeis4.)