A019173 - OEIS

A019173

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFS = ZSM-57 H1.5[ Al1.5Si34.5O72 ].

0, 0, 5, 5, 4, 24, 52, 89, 268, 621, 1355, 3601, 8653, 20765, 53622, 135530, 342373, 886859, 2303117, 5994317, 15717622, 41394097, 109376377, 289750881, 769340425, 2047731396, 5459013344, 14573334374, 38971134055

(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: A168578 A344235 A019253 * A374753 A230192 A172359

Adjacent sequences: A019170 A019171 A019172 * A019174 A019175 A019176

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(21)-a(31) from Sean A. Irvine, Apr 12 2019

STATUS

approved