A019054 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, 21, 159, 1002, 5426, 32678, 213283, 1389400, 9052394, 60114080, 406302200, 2775970886, 19129099772, 132872261760

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: A032098 A292066 A019053 * A066986 A096662 A236056

Adjacent sequences: A019051 A019052 A019053 * A019055 A019056 A019057

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