A019039 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite LTN = Linde Type N Na384[Al384Si384O1536].518H2O starting with a T4 atom.

3, 7, 48, 193, 860, 5049, 32054, 213003, 1418642, 9548475, 65281359, 452010934, 3162488600, 22304726886, 158320877350

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: A331038 A001566 A173771 * A077559 A330020 A354845

Adjacent sequences: A019036 A019037 A019038 * A019040 A019041 A019042

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 27 2019

Status

approved