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A019199
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, 1, 2, 6, 8, 32, 50, 100, 258, 770, 1436, 3726, 9142, 23883, 55084, 147062, 363982, 953371, 2406632, 6403549, 16494196, 43839357, 114890164, 307285074, 812459230, 2179005465, 5808849862, 15618264177, 41827412650
OFFSET
3,3
LINKS
Database of Zeolite Structures, Structure Commission of the International Zeolite Association, revised 2017.
Georg Thimm, A graph theoretical approach to the analysis, comparison, and enumeration of crystal structures, Dissertation, Goethe University Frankfurt, Germany, 2008.
Georg Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19(5-6) (1997), 422-424.
CROSSREFS
Sequence in context: A336618 A075999 A096999 * A094678 A076507 A117542
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(20)-a(31) from Sean A. Irvine, Apr 15 2019
STATUS
approved