A019231 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite RUT = RUB-10 R4 [ B4Si32O72 ].

0, 1, 2, 4, 8, 18, 40, 98, 220, 533, 1374, 3123, 7891, 20758, 51623, 134426, 350099, 896154, 2334491, 6080296, 15820903, 41484494, 108963192, 286929392, 758672816, 2009479756, 5336446323, 14205462811, 37882139049

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: A058387 A330052 A317787 * A333865 A274547 A112483

Adjacent sequences: A019228 A019229 A019230 * A019232 A019233 A019234

Keyword

nonn,more

Author

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

Extensions

a(21)-a(31) from Sean A. Irvine, Apr 17 2019

Status

approved