A019018 Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite GME = Gmelinite (Na2,Ca)4 [ Al8Si16O48 ] . 24 H2O.

3, 7, 42, 190, 884, 5565, 34840, 205806, 1247875, 7958423, 52883120, 359233719, 2459686110, 16915593735, 116848978672

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: A080581 A086397 A229941 * A018993 A217759 A160615

Adjacent sequences: A019015 A019016 A019017 * A019019 A019020 A019021

Keyword

nonn,more

Author

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

Extensions

a(11)-a(16) from Sean A. Irvine, Mar 21 2019

Status

approved