login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A018986 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ATS = MAPO-36 H[ MgAl11P12O48 ]. 0
2, 8, 44, 192, 1128, 6451, 37264, 235812, 1515012, 10105375, 69010670, 477935331, 3341537527, 23495024258, 165910365412 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

REFERENCES

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

LINKS

Table of n, a(n) for n=2..16.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A075817 A264565 A018985 * A192469 A128656 A208044

Adjacent sequences:  A018983 A018984 A018985 * A018987 A018988 A018989

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 15 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 February 16 15:17 EST 2020. Contains 331961 sequences. (Running on oeis4.)