A019247 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite VET = VPI-8 [ Si17O34 ].

0, 0, 3, 5, 5, 27, 46, 95, 284, 696, 1475, 3944, 10194, 24962, 62913, 162871, 415963, 1069432, 2774893, 7228129, 18863793, 49560625, 130798904, 346253692, 920036094, 2454518563, 6566467540, 17614395090, 47376832674

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: A200771 A072624 A147976 * A320433 A165142 A231809

Adjacent sequences: A019244 A019245 A019246 * A019248 A019249 A019250

Keyword

nonn,more

Author

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

Extensions

a(20)-a(31) from Sean A. Irvine, Apr 19 2019

Status

approved