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A019130
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite FER = Ferrierite Na2Mg2[ Al6Si30O72 ] . 18 H2O.
0
0, 0, 4, 3, 2, 26, 38, 62, 242, 558, 1202, 3340, 8696, 21250, 54336, 141989, 363816, 934293, 2445407, 6400169, 16733638, 44132199, 116636298, 308224217, 817910147, 2174929052, 5787607643, 15438812813, 41263843971
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A293211 A330778 A061312 * A245348 A174551 A349811
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(21)-a(31) from Sean A. Irvine, Apr 08 2019
STATUS
approved