A019056 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite PAU = Paulingite (K2,Ca,Na2)76[ Al152Si520O1344 ].

3, 7, 25, 150, 903, 5156, 31334, 203031, 1336702, 8826721, 58888514, 397579040, 2713146907, 18701805789, 130053766396

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: A156100 A245115 A215772 * A065163 A292925 A057124

Adjacent sequences: A019053 A019054 A019055 * A019057 A019058 A019059

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 30 2019

Status

approved