A019016 - OEIS

A019016

Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite FAU = Faujasite (Na2,Ca,Mg)29 [ Al58Si134O384 ] . 240 H2O.

3, 8, 46, 225, 1196, 7203, 44392, 251808, 1370580, 7702244, 46437872, 297586016, 1980317374, 13488322975, 93395422456

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

OFFSET

2,1

REFERENCES

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.

LINKS

Table of n, a(n) for n=2..16.

G. Thimm, Cycle sequences of crystal structures

CROSSREFS

Sequence in context: A334316 A180508 A040018 * A063859 A210373 A247033

Adjacent sequences: A019013 A019014 A019015 * A019017 A019018 A019019

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(11)-a(16) from Sean A. Irvine, Mar 20 2019

STATUS

approved