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A019056
Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite PAU = Paulingite (K2,Ca,Na2)76[ Al152Si520O1344 ].
0
3, 7, 25, 150, 903, 5156, 31334, 203031, 1336702, 8826721, 58888514, 397579040, 2713146907, 18701805789, 130053766396
OFFSET
2,1
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A156100 A245115 A215772 * A065163 A292925 A057124
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 30 2019
STATUS
approved