

A019194


Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MTW = ZSM12 Nan[ AlnSi28nO56 ].


0



0, 0, 2, 8, 4, 26, 54, 126, 258, 770, 1568, 4030, 9560, 25381, 58328, 154310, 382514, 1002989, 2515622, 6687152, 17226920, 45770045, 119696108, 320324918, 846684628, 2271206729, 6053095938, 16284572288, 43613979158
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

3,3


REFERENCES

G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422424, 1997.


LINKS

Table of n, a(n) for n=3..31.
G. Thimm, Cycle sequences of crystal structures


CROSSREFS

Sequence in context: A193851 A276624 A193847 * A038214 A195923 A213456
Adjacent sequences: A019191 A019192 A019193 * A019195 A019196 A019197


KEYWORD

nonn,more


AUTHOR

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


EXTENSIONS

a(20)a(31) from Sean A. Irvine, Apr 14 2019


STATUS

approved



