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A018967
Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AFT = AlPO4-52.
0
3, 7, 40, 181, 767, 4629, 31167, 202271, 1304340, 8492018, 56259299, 378024920, 2561925846, 17484177731, 120161533252
OFFSET
2,1
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A368627 A018998 A018941 * A018942 A018943 A019024
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 08 2019
STATUS
approved