A019194 Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MTW = ZSM-12 Nan[ AlnSi28-nO56 ].

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

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: 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