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A018993
Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AWW = AlPO4-22 [ Al24P24O96 ] . 2 R.
0
3, 7, 42, 219, 1011, 5598, 34646, 224809, 1501860, 10113371, 68641436, 470506018, 3252534733, 22668508169, 159249668294
OFFSET
2,1
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A086397 A229941 A019018 * A217759 A160615 A106965
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 16 2019
STATUS
approved