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A019118
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite EPI = Epistilbite Ca3 [ Al6Si18O48 ] . 16 H2O.
0
0, 0, 6, 6, 4, 24, 45, 74, 210, 475, 1111, 3151, 7825, 19538, 52439, 134817, 343283, 893705, 2323619, 6035255, 15784498, 41487550, 109243888, 288414230, 764235804, 2028942492, 5395231115, 14383370796
OFFSET
3,3
LINKS
Georg Thimm, A graph theoretical approach to the analysis, comparison, and enumeration of crystal structures, Dissertation, Goethe University Frankfurt, Germany, 2008.
Georg Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19(5-6) (1997), 422-424.
CROSSREFS
Sequence in context: A209938 A165953 A045885 * A019126 A019206 A104225
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(21)-a(30) from Sean A. Irvine, Apr 05 2019
STATUS
approved