A019132 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite FER = Ferrierite Na2Mg2[Al6Si30O72].18H2O starting with a T4 atom.

0, 0, 6, 5, 4, 32, 50, 84, 266, 604, 1342, 3456, 8652, 21422, 53630, 136442, 349820, 893522, 2311370, 6035468, 15753720, 41374708, 109201728, 288472024, 764514878, 2031609476, 5405413736, 14412672990, 38504505872

Offset

3,3

References

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.

Links

Table of n, a(n) for n=3..31.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A168239 A291068 A019131 * A351335 A021862 A199375

Adjacent sequences: A019129 A019130 A019131 * A019133 A019134 A019135

Keyword

nonn,more

Author

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

Extensions

a(21)-a(31) from Sean A. Irvine, Apr 07 2019

Status

approved