A019217 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite RON = Roggianite Ca16[Be8Al16Si32O104(OH)16].19H2O starting with a T1 atom.

1, 1, 0, 0, 0, 4, 0, 42, 20, 212, 168, 1108, 1040, 6138, 6744, 33790, 43372, 183782, 265568, 1027274, 1645108, 5893322, 10226872, 34141810, 63006428, 200175872, 389090792, 1191645798, 2416890692, 7177748368, 15064197932, 43619074260

Offset

3,6

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..34.

G. Thimm, Cycle sequences of crystal structures

Crossrefs

Sequence in context: A123936 A271834 A138546 * A221757 A189424 A009371

Adjacent sequences: A019214 A019215 A019216 * A019218 A019219 A019220

Keyword

nonn,changed

Author

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

Extensions

a(21)-a(34) from Sean A. Irvine, Apr 16 2019

Status

approved