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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
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified March 7 10:38 EST 2021. Contains 341869 sequences. (Running on oeis4.)