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A019159
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, 0, 4, 4, 7, 30, 50, 105, 308, 634, 1376, 3553, 8630, 20869, 52340, 133033, 342799, 883814, 2295764, 6043202, 15919001, 41993543, 111425390, 296103536, 787274963, 2097945858, 5598391955, 14950833524, 39977574004
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A318243 A321661 A183492 * A019250 A200509 A103551
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