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A019031
Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite LOS = Losod Na12 [ Al12Si12O48 ] . 18 H2O.
0
2, 5, 30, 180, 1028, 6563, 41042, 262143, 1737014, 11717093, 80135236, 555094742, 3884459568, 27420679509, 195037451422
OFFSET
2,1
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A371610 A209325 A019027 * A366455 A140786 A369726
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 25 2019
STATUS
approved