A019159 - OEIS

A019159

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[ AlnSi96-nO192 ].

0, 0, 4, 4, 7, 30, 50, 105, 308, 634, 1376, 3553, 8630, 20869, 52340, 133033, 342799, 883814, 2295764, 6043202, 15919001, 41993543, 111425390, 296103536, 787274963, 2097945858, 5598391955, 14950833524, 39977574004

(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: A318243 A321661 A183492 * A019250 A200509 A103551

Adjacent sequences: A019156 A019157 A019158 * A019160 A019161 A019162

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(20)-a(31) from Sean A. Irvine, Apr 10 2019

STATUS

approved