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A018985
Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ATS = MAPO-36 H[ MgAl11P12O48 ].
0
2, 8, 44, 192, 1120, 6399, 37026, 234776, 1511252, 10094812, 69021059, 478380828, 3345830521, 23526339472, 166108021408
OFFSET
2,1
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A075817 A374673 A264565 * A018986 A192469 A128656
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 13 2019
STATUS
approved