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A019076
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BIK = Bikitaite Li2 [ Al2Si4O12 ] . 2 H2O.
0
0, 0, 2, 6, 6, 16, 34, 92, 256, 576, 1374, 3594, 9776, 24120, 60318, 158240, 417258, 1073864, 2808084, 7437688, 19653510, 52051176, 138619116, 369852718, 989005920, 2652718066, 7128563698, 19191807302
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A098571 A194120 A161503 * A197109 A111410 A240087
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(20)-a(30) from Sean A. Irvine, Apr 02 2019
STATUS
approved