A019154 - OEIS

A019154

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MEL = ZSM-11 Nan[ AlnSi96-nO192 ].

0, 1, 3, 3, 13, 30, 41, 136, 335, 566, 1559, 3919, 8386, 21334, 54333, 129669, 327306, 849762, 2164290, 5588388, 14709540, 38681879, 101992196, 271155602, 722264852, 1924729081, 5143690028, 13762710938, 36830667724

(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: A186743 A219314 A288146 * A255675 A272857 A092103

Adjacent sequences: A019151 A019152 A019153 * A019155 A019156 A019157

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