A019053 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, 142, 913, 5515, 33531, 214022, 1397796, 9191036, 61195343, 413319489, 2823635182, 19459845933, 135103772788

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: A073951 A032098 A292066 * A019054 A066986 A096662

Adjacent sequences: A019050 A019051 A019052 * A019054 A019055 A019056

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