A019051 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, 135, 938, 5726, 33918, 214711, 1405611, 9256932, 61646145, 416449189, 2845389014, 19604945890, 136038928299

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: A019057 A019058 A019050 * A019042 A019052 A351492

Adjacent sequences: A019048 A019049 A019050 * A019052 A019053 A019054

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 28 2019

Status

approved