login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A019075 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BEA = Beta Nan [ AlnSi64-n O128 ] with n 7. 0
0, 2, 3, 4, 22, 26, 41, 157, 285, 585, 1535, 3327, 7310, 17637, 40707, 95444, 232524, 565287, 1410884, 3605412, 9274738, 24284607, 64258450, 170732859, 456044512, 1219601912, 3259351289, 8704404179 (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..30.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A070841 A069801 A019074 * A006709 A115884 A171728

Adjacent sequences:  A019072 A019073 A019074 * A019076 A019077 A019078

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(30) 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 18 07:46 EDT 2019. Contains 325136 sequences. (Running on oeis4.)