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A019106
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite DDR = Deca-dodecasil 3R [ Si120O240 ]q R.
0
0, 0, 5, 0, 2, 33, 23, 73, 339, 501, 1272, 4159, 8796, 21947, 60807, 146525, 370649, 977008, 2488685, 6451966, 16969213, 44362809, 116868000, 309416308, 819440761, 2179359337, 5810665522, 15513625276
OFFSET
3,3
REFERENCES
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
CROSSREFS
Sequence in context: A077496 A346120 A190913 * A051566 A051567 A361980
KEYWORD
nonn,more
AUTHOR
Georg Thimm (mgeorg(AT)ntu.edu.sg)
EXTENSIONS
a(21)-a(30) from Sean A. Irvine, Apr 04 2019
STATUS
approved