A018976 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ANA = Analcime Na16[ Al16Si32O96 ] . 16 H2O.

2, 2, 32, 210, 1034, 6286, 41600, 272256, 1824470, 12425578, 85888784, 601804658, 4256620018, 30364069780, 218344871136

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: A303568 A353928 A121788 * A074127 A297795 A024176

Adjacent sequences: A018973 A018974 A018975 * A018977 A018978 A018979

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 10 2019

Status

approved