A019034 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite LTL = Linde Type L K6Na3[ Al9Si27O72 ] . 21 H2O.

2, 4, 26, 206, 1311, 7442, 44452, 281652, 1791706, 11399302, 73600602, 482406796, 3197748646, 21392739205, 144427720544

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: A019019 A215882 A032328 * A091759 A262067 A193480

Adjacent sequences: A019031 A019032 A019033 * A019035 A019036 A019037

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 26 2019

Status

approved