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A019168
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, 1, 3, 3, 10, 27, 51, 105, 276, 624, 1352, 3249, 8234, 20078, 49502, 128483, 332677, 855128, 2241638, 5916430, 15555813, 41112959, 109117445, 289434235, 768896971, 2047282146, 5455894198, 14556394537, 38898123662
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A321354 A019153 A049975 * A107299 A298899 A205388
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(20)-a(31) from Sean A. Irvine, Apr 11 2019
STATUS
approved