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A018977
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
2, 7, 29, 138, 979, 6229, 38079, 238494, 1565844, 10497940, 71146182, 487223288, 3372020072, 23556434058, 165856581588
OFFSET
2,1
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A307389 A104252 A373802 * A190736 A265000 A347431
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(11)-a(16) from Sean A. Irvine, Mar 10 2019
STATUS
approved