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A018978
Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite APC = AlPO4-C [ Al16P16O64 ] (1,2).
0
3, 5, 23, 137, 986, 6175, 36845, 230163, 1516136, 10187120, 69032358, 472511657, 3269424682, 22836070332, 160753767836
OFFSET
2,1
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A155778 A209028 A178068 * A100703 A352691 A137086
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 11 2019
STATUS
approved