A019052 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, 6, 20, 142, 980, 5664, 34103, 222723, 1457520, 9454124, 62364092, 420180854, 2867177934, 19717175542, 136557037532

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: A019050 A019051 A019042 * A351492 A368165 A351505

Adjacent sequences: A019049 A019050 A019051 * A019053 A019054 A019055

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 29 2019

Status

approved